Eriocheir sinensis H. Milne Edwards, 1853
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publication ID |
https://doi.org/10.11646/zootaxa.4507.1.1 |
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publication LSID |
lsid:zoobank.org:pub:86F65571-5C54-42AB-8AE4-F63572E2AFBD |
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DOI |
https://doi.org/10.5281/zenodo.3717669 |
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persistent identifier |
https://treatment.plazi.org/id/D3278796-277E-693B-FF75-C650FBC69F8B |
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treatment provided by |
Plazi (2020-03-17 20:49:54, last updated 2024-11-29 07:19:24) |
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scientific name |
Eriocheir sinensis H. Milne Edwards, 1853 |
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Eriocheir sinensis H. Milne Edwards, 1853
Figs. 1 View FIGURE 1 ̄ 52 View FIGURE 2 View FIGURE 3 View FIGURE 4 View FIGURE 5 View FIGURE 6 View FIGURE 7 View FIGURE 8 View FIGURE 9 View FIGURE 10 View FIGURE 11 View FIGURE 12 View FIGURE 13 View FIGURE 14 View FIGURE 15 View FIGURE 16 View FIGURE 17 View FIGURE 18 View FIGURE 19 View FIGURE 20 View FIGURE 21 View FIGURE 22 View FIGURE 23 View FIGURE 24 View FIGURE 25 View FIGURE 26 View FIGURE 27 View FIGURE 28 View FIGURE 29 View FIGURE 30 View FIGURE 31 View FIGURE 32 View FIGURE 33 View FIGURE 34 View FIGURE 35 View FIGURE 36 View FIGURE 37 View FIGURE 38 View FIGURE 39 View FIGURE 40 View FIGURE 41 View FIGURE 42 View FIGURE 43 View FIGURE 44 View FIGURE 45 View FIGURE 46 View FIGURE 47 View FIGURE 48 View FIGURE 49 View FIGURE 51 View FIGURE 52
Schnakenbeck 1926: 352, fig. (ZI), 1933: 157, figs. 46̅66 (PZ, ZI); Hinrichs & Grell 1937: 217, Abb. 1̅3 (ZV); Buhk 1938: 776, Abb. 3̅5 (ZI̅V); Panning 1939a: 273, Abb. 1̅11 (ZI̅IV), 1939b: 361, fig. 2 (ZI); André 1947: 35, figs. 2̅5 (ZI,); Liang et al. 1974: 67, figs. 1̅63 (ZI̅V); Ingle 1986: 101, fig. 1 (ZI), 1991: 248̅250, figs. 1.10n; 1.14d; 1.18f; 1.22g; 1.23e; 1.29f; 1.32g; 1.35c; 1.36k; 1.38g; 2.37d̅j; 2.38, (ZI-V); Kim & Hwang 1995: figs. 1̅7, tabs. III̅IV (ZI̅V); Montú et al. 1996: 50, figs. 1̅16 (PZ, ZI̅VI).
Zoea I ( Figs. 1A View FIGURE 1 , 2−9 View FIGURE 2 View FIGURE 3 View FIGURE 4 View FIGURE 5 View FIGURE 6 View FIGURE 7 View FIGURE 8 View FIGURE 9 )
Carapace ( Fig. 1A View FIGURE 1 , 2 View FIGURE 2 ): Globose; dorsal spine present, gently curved, longer than rostral and lateral spines; rostral spine present and shorter than dorsal spine and with small spinules; lateral spines present with small spines on surface; anterodorsal setae absent; one pair of posterodorsal setae present; ventral margin with 8¯9 serrations, setae absent; dorsoposterior margin without setae; eyes sessile.
Antennule ( Fig. 3A View FIGURE 3 ): Primary flagellum with 4 terminal aesthetascs (2 broad, 2 slender) and 1 small seta; accessory flagellum absent.
Antenna ( Fig. 3B View FIGURE 3 ): Uniramous; protopod distally bilaterally spinulate; endopod absent; exopod short, ca. 30% of protopod, with 2 unequal (1 short, 1 minute) medial spines.
Mandible ( Fig. 4A, B View FIGURE 4 ): Palp absent, incisor teeth distinct.
Maxillule ( Fig. 4C View FIGURE 4 ): Uniramous; epipod seta absent; coxa with 5 sparsely plumose setae, basial endite with 5 armed processes (four plumodenticulate, one sparsely plumose setae); endopod comprising 2 articles, proximal article with 1 seta, distal article with 5 (1 subterminal+4 terminal) plumose setae; exopod absent.
Maxilla ( Fig. 5 View FIGURE 5 ): Biramous; coxal endite bilobed with 4+3 plumose setae; basial endite bilobed with 5+4 sparsely plumose setae; endopod without articulation and bilobed with 2+2 plumose setae; exopod (scaphognathite) margin with 4 plumose+1 long distal stout process.
First maxilliped ( Fig. 6 View FIGURE 6 ): Biramous; coxa without seta; basis with 10 (2+2+3+3) setae; endopod comprising 5 articles with 2,2,1,2,5 (1 subterminal (dorsal)+4 terminal) setae; exopod comprising 2 articles, distal article with 4 long terminal plumose natatory setae.
Second maxilliped ( Fig. 7 View FIGURE 7 ): Biramous; coxa without seta; basis with 4 (1+1+1+1) sparsely plumose setae; endopod comprising 3 articles with 0,1,6 (3 subterminal (1 dorsal, 2 ventral)+3 terminal) sparsely plumose setae; exopod comprising 2 articles, distal article with 4 terminal plumose natatory setae.
Third maxilliped: Absent.
Pereiopods: Absent.
Pleon ( Fig. 8 View FIGURE 8 ): Five pleomeres, pleomere 2 with 1 pair of dorsolateral processes directed anteriorly; pleomeres 3 and 4 each with a small pair of dorsolateral processes directed ventrally, pleomere 1 with rounded posterolateral process; pleomeres 2¯4 with dorsolateral processes; pleomere 1 without medial setae; pleomeres 2¯5 with a pair of posterodorsal setae; pleopods absent.
Telson ( Fig. 9 View FIGURE 9 ): Bifurcated; each fork long curved distally with an inner row of paired spinules; lateral and dorsomedial spines absent; posterior margin with 3 pairs of stout spinulate setae, inner pair with 2 long spinules medially on inner margin; anal operculum ventral.
Zoea II ( Figs. 1B View FIGURE 1 , 10−15 View FIGURE 10 View FIGURE 11 View FIGURE 12 View FIGURE 13 View FIGURE 14 View FIGURE 15 )
Carapace ( Fig. 1B View FIGURE 1 , 10 View FIGURE 10 ): Two pairs of anterodorsal (one pair on orbital margin) setae; lateral spines now smooth; ventral margin with 2 anterior plumose setae and 2 posterior setae with additional serrations; eyes stalked. Otherwise unchanged.
Antennule ( Fig. 11A View FIGURE 11 ): Primary flagellum with 4 broad aesthetascs and 2 equal short setae. Otherwise unchanged.
Antenna ( Fig. 11B View FIGURE 11 ): Exopod more developed, ca. 35% of protopod length. Otherwise unchanged.
Mandible: Unchanged.
Maxillule ( Fig. 11C View FIGURE 11 ): Biramous; basial endite with 7 armed processes; exopod, plumose seta present. Otherwise unchanged.
Maxilla ( Fig. 12 View FIGURE 12 ): Exopod (scaphognathite) margin with 5+3 plumose setae; long distal stout process reduced in size. Otherwise unchanged.
First maxilliped ( Fig. 13 View FIGURE 13 ): Exopod, distal article with 6 long terminal plumose natatory setae. Otherwise unchanged.
Second maxilliped ( Fig. 14 View FIGURE 14 ): Exopod, distal article with 6 long terminal plumose natatory setae. Otherwise unchanged.
Third maxilliped: Absent.
Pereiopods: Absent.
Pleon ( Fig. 15 View FIGURE 15 A–C): Pleomere 1 with 1 small dorsal medial seta. Otherwise unchanged.
Telson ( Fig. 15D View FIGURE 15 ): Unchanged.
Zoea III ( Figs. 1C View FIGURE 1 , 16 View FIGURE 16 ̄22)
Carapace ( Fig. 1C View FIGURE 1 , 16 View FIGURE 16 ): Now with four pairs of anterodorsal setae; dorsal spine with 1 pair of setae; lateral spine slightly decreasing in length; ventral margin 2 anterior plumose setae and 4 posterior setae and with additional serrations. Otherwise unchanged.
Antennule ( Fig. 17A View FIGURE 17 ): Unchanged.
Antenna ( Figs. 17B, C View FIGURE 17 ): Biramous; endopod present as small bud (ca. 20% of whole appendage); exopod more developed, ca. 40% of protopod. Otherwise unchanged.
Mandible ( Fig. 18A View FIGURE 18 ): Unchanged.
Maxillule ( Fig. 18B View FIGURE 18 ): Epipod seta present; Otherwise unchanged.
Maxilla ( Fig. 19 View FIGURE 19 ): Coxal endite with 5+3 plumose setae; basial endite with 6+5 sparsely plumose setae; exopod (scaphognathite) margin with 9+6 plumose setae. Otherwise unchanged.
First maxilliped ( Fig. 20 View FIGURE 20 ): Endopod with 2,2,2 (now with a dorsal seta),2,5 (1 subterminal+4 terminal) setae; exopod, distal article with 8 long terminal plumose natatory setae. Otherwise unchanged.
Second maxilliped ( Fig. 21 View FIGURE 21 ): Exopod, distal article with 8 terminal plumose natatory setae. Otherwise unchanged.
Third maxilliped: Absent.
Pereiopods: Absent.
Pleon ( Fig. 22 View FIGURE 22 A-C): Pleomere 1 with 1 or 2 medial setae. Pleomere 6 now differentiated. Otherwise unchanged.
Telson ( Fig. 22A, D View FIGURE 22 ): Posterior margin with 4 pairs of setae (4+4), additional inner pair of inner sometimes represented by a single seta (4+3). Otherwise unchanged.
Zoea IV ( Figs. 1D View FIGURE 1 , 23−32 View FIGURE 23 View FIGURE 24 View FIGURE 25 View FIGURE 26 View FIGURE 27 View FIGURE 28 View FIGURE 29 View FIGURE 30 View FIGURE 31 View FIGURE 32 )
Carapace ( Figs. 1D View FIGURE 1 , 23−24 View FIGURE 23 View FIGURE 24 ): Dorsal spine with 2 pairs of setae; now with 5 pairs of anterodorsal setae; lateral spine shorter in length than previous stage; 4 anterior plumose setae and 7¯8 posterior setae on ventral margin with additional serrations on each side; 3 pairs of setae on dorsoposterior margin. Otherwise unchanged.
Antennule ( Fig. 25A View FIGURE 25 ): Primary flagellum with 1 proximal and 1 distal subterminal aesthetasc and 3 long terminal aesthetascs and 1 short terminal seta. Otherwise unchanged.
Antenna ( Fig. 25B View FIGURE 25 ): Endopod now more developed (ca. 30% of whole appendage); exopod now more developed, ca. 40̄50%. Otherwise unchanged.
Mandible ( Fig. 26 View FIGURE 26 ): Well developed, molar now present.
Maxillule ( Fig. 27 View FIGURE 27 ): Coxa with 7 highly plumose and 1 simple setae, basial endite with 11 armed processes (marginal), 1 plumose and 1 short simple setae on inner margin of basal endite. Otherwise unchanged.
Maxilla ( Fig. 28 View FIGURE 28 ): Coxal endite bilobed with 7+3 plumose setae and 1 distal simple seta; basial endite with 8+8 sparsely unequal plumose setae; exopod (scaphognathite) margin with 18+7 highly plumose setae of various length. Otherwise unchanged.
First maxilliped ( Fig. 29 View FIGURE 29 ): Coxa with 1 seta; endopod with 2,3 (1 dorsal, 2 ventral setae),2,2,6 (2 subterminal (1 dorsal+1 ventral)+4 terminal) setae, variation of article 2 with occasionally only 2 (1 dorsal, 1 ventral) setae; exopod, distal article with 10 long terminal plumose natatory setae. Otherwise unchanged.
Second maxilliped ( Fig. 30 View FIGURE 30 ): Exopod, distal article with 10 terminal plumose natatory setae. Otherwise unchanged.
Third maxilliped ( Fig. 31A View FIGURE 31 ): Present; biramous; epipod present; endopod longer than exopod.
Pereiopods ( Fig. 31B View FIGURE 31 ): Present; bilobed cheliped; walking legs with some articulation.
Pleon ( Fig. 32 View FIGURE 32 A-D): Pleomere 1 with 5 medial setae; pleopods present on pleomeres 2¯6, uniramous, endopods absent. Otherwise unchanged.
Telson ( Fig. 32E View FIGURE 32 ): Posterior margin with 5 pairs setae; no variation recorded. Otherwise unchanged.
Zoea V ( Figs. 1E View FIGURE 1 , 33−42 View FIGURE 33 View FIGURE 34 View FIGURE 35 View FIGURE 36 View FIGURE 37 View FIGURE 38 View FIGURE 39 View FIGURE 40 View FIGURE 41 View FIGURE 42 )
Carapace ( Figs. 1E View FIGURE 1 , 33−34 View FIGURE 33 View FIGURE 34 ): Dorsal spine with 3 pairs of setae; lateral spine shorter than previous stage; now with 7 pairs of anterodorsal setae; 16¯17 plumose posterior setae on ventral margin with additional spines on each side. Otherwise unchanged.
Antennule ( Fig. 35A, B View FIGURE 35 ): Basal region shaped as convex with 2 simple setae; primary flagellum with 4 proximal subterminal long aesthetascs; 5 distal subterminal aesthetascs and 5 terminal aesthetascs + 1 simple seta; accessory flagellum present as small bud. Otherwise unchanged.
Antenna ( Fig. 35C, D View FIGURE 35 ): Protopod distally bilaterally spinulate; endopod now clearly discrete (ca. 60% of whole appendage), exopod more developed and occasionally with only 1 seta instead of 2. Otherwise unchanged.
Mandible ( Fig. 36 View FIGURE 36 ): Palp present, with additional incisor teeth. Otherwise unchanged
Maxillule ( Fig. 37 View FIGURE 37 ): 2 epipod setae; coxa with 3 tiers, 9 armed processes (marginal) setae+4 plumose setae+3 simple setae respectively; basial endite now with 16 armed processes (marginal) and 4 simple setae on inner margin. Otherwise unchanged.
Maxilla ( Fig. 38 View FIGURE 38 ): Coxal endite with 11+4 plumose setae; basial endite with 10+11 sparsely unequal plumose setae; exopod (scaphognathite) margin now with 32¯33 highly plumose setae of various length + 1 lateral seta. Otherwise unchanged.
First maxilliped ( Fig. 39 View FIGURE 39 ): Coxa with epipod lobe with either 3 setae or 3 setae and 1 small seta; basis with 10–12 (2+2+3+3 or 2+3+4+3 respectively) setae; endopod normally 2,3 (1 dorsal+2 ventral setae),2,2,6 (2 subterminal (1 dorsal+1 ventral)+4 terminal) setae, variation in article 1 with occasionally 1 seta; exopod, distal article with 12–13 long terminal plumose natatory setae. Otherwise unchanged.
Second maxilliped ( Fig. 40 View FIGURE 40 ): Endopod with either 0,1,6 (2 subterminal (1 dorsal+1 ventral)+4 terminal) or 0,1,7 (3 subterminal (1 dorsal+2 ventral)+4 terminal) sparsely plumose setae; exopod with 12–13 terminal plumose natatory setae. Otherwise unchanged.
Third maxilliped ( Fig. 41A View FIGURE 41 ): Endopod with articulation; 2 gills present (podobranch and arthrobranch).
Pereiopods ( Fig. 41B View FIGURE 41 ): Cheliped more distinct; some articulation; 3 developed gill buds (podobranchs or arthrobranchs?).
Pleon ( Figs. 41C View FIGURE 41 , 42A, C View FIGURE 42 ): Pleomere 1 with 7 medial setae of variable lengths; pleopods on pleomeres 2¯5 much more developed, biramous with endopod buds, pleopod (uropod) on somite 6 much smaller than on somites 2̄5 and endopod bud absent. Otherwise unchanged.
Telson ( Fig. 42 View FIGURE 42 ): Now with 5 pairs (4 long, 1 small) setae on posterior margin and 1 pair of dorsal medial setae; with 1 pair of medial setae. Otherwise unchanged.
Zoea VI ( Figs. 1F View FIGURE 1 , 43−52 View FIGURE 43 View FIGURE 44 View FIGURE 45 View FIGURE 46 View FIGURE 47 View FIGURE 48 View FIGURE 49 View FIGURE 50 View FIGURE 51 View FIGURE 52 )
Carapace ( Figs. 1F View FIGURE 1 , 43 View FIGURE 43 ): Dorsal spine with 4 pairs of setae; with 9 pairs of anterodorsal setae; 4¯5 pairs of setae on dorsoposterior margin. Otherwise unchanged.
Antennule ( Fig. 44 View FIGURE 44 ): 5 proximal subterminal aesthetascs; 5 distal subterminal aesthetascs and 6 terminal aesthetascs; accessory flagellum now more developed but without setae. Otherwise unchanged.
Antenna ( Fig. 45 View FIGURE 45 ): Endopod now with signs of articulation and clearly discrete (ca. 75% of whole appendage) with protuberances distally, endopod almost equal with protopod; exopod slightly longer than previous stage, ca. 60% of protopod with 1 distinct seta. Otherwise unchanged.
Mandible ( Fig. 46 View FIGURE 46 ): Palp more developed. Otherwise unchanged.
Maxillule ( Fig. 47 View FIGURE 47 ): 3 epipod setae; coxa with 3 tiers, 10 armed processes (marginal) setae + 4 plumose setae + 3 simple setae respectively. Otherwise unchanged.
Maxilla ( Fig. 48 View FIGURE 48 ): Coxal endite with 12+6 plumose setae; basial endite with 10+11 sparsely unequal plumose setae; exopod (scaphognathite) margin with 44 highly plumose setae of various length. Otherwise unchanged.
First maxilliped ( Fig. 49 View FIGURE 49 ): Coxa with 3 long setae 1 simple setae on developing epipodal bud, 1 epipod with podobranch gill; basis with 12 (2+2+4+1+3) setae; endopod article 2 with only 2 (1 dorsal+1 ventral) setae and no variation; exopod, distal article with 14 long terminal plumose natatory setae. Otherwise unchanged.
Second maxilliped ( Fig. 50 View FIGURE 50 ): Coxa developing epipodal bud present; exopod with 13 terminal plumose natatory setae. Otherwise unchanged.
Third maxilliped ( Fig. 51A View FIGURE 51 ): Endopod and exopod more developed. Otherwise unchanged.
Pereiopods ( Fig. 51B View FIGURE 51 ): More developed than previous stage and with four gill buds. Otherwise unchanged.
Pleon ( Fig. 51C View FIGURE 51 , 52 View FIGURE 52 A–C): Pleopods now more developed. Otherwise unchanged.
Andre, M. (1947) Lenvahissement du reseau hydrographique francais par le crabe Chinois (Eriocheir sinensis H. M. Edw.). Revue Scientifique, Revue Ros e, Paris, 3264, 33 ‾ 38.
Buhk, F. (1938) Zu fortpflanzungsbiologie der wollhandkrabbe. Wochenschrift fur Aquarien und Terrarienkunde, 35, 776 ‾ 780. [in German]
Hinrichs, V. O. & Grell, K. G. (1937) Entwicklungsstadien von Eriocheir sinensis H. Milne-Edwards im Helgolander Plankton. Zoologischer Anzeiger, Leipzig, 119, 217 ‾ 221.
Kim, C. H. & Hwang, S. G. (1995) The complete larval development of the mitten crab Eriocheir sinensis H. Milne Edwards. 1853 (Decapoda, Brachyura, Grapsidae) reared in the laboratory and a key to the known zoeae of the Varuninae. Crustaceana, 68 (7), 793 ‾ 812. https: // doi. org / 10.1163 / 156854095 X 00953
Liang, X-Q., Yang, S-L., Cheng, T-C. & Kou, T-T. (1974) The larval development of Eriocheir sinensis H. Milne-Edwards. Acta Zoologica Sinica, 20, 61 ‾ 68 [English text: 67 ‾ 78].
Milne Edwards, H. (1853) Memoire sur la famille des Ocypodides. Suite (1). Deuxieme Tribu Principale. Observations sur les affinites zoologiques & la cIassification naturelle des Crustaces. Annales des Sciences Naturelles, 3 e Serie, 20, 163 - 228, pls. 6 - 11.
Montu, M., Anger, K. & de Bakker, C. (1996) Larval development of the Chinese mitten crab Eriocheir sinensis H. Milne- Edwards (Decapoda: Grapsidae) reared in the laboratory. Helgolander Meeresuntersuchungen, 50 (2), 223 ‾ 252. https: // doi. org / 10.1007 / BF 02367153
Panning, A. (1939 a) Die Larven von Eriocheir sinensis H. M. - Edw. Zoologischer Anzeiger, 125, 273 ‾ 283. [in German]
Schnakenbeck, W. (1926) Neue Beobachtugen uber die Wollhandkrabbe (Eriocheir sinensis Milne-Edw.). Der Naturforscher, Berlin, 3, 352 ‾ 355.
FIGURE 1. Eriocheir sinensis zoeal stages, CLSM images. (A) ZI, 10× dry objective, (B) ZII, 10× dry objective applying ‘large images’ option with a scanned area of 2×1 fields for image stitching, (C) ZIII, 10× dry objective applying ‘large images’ option with a scanned area of 2×2 fields for image stitching, (D) ZIV, 10×dry objective applying ‘large images’ option with a scanned area of 3×2 fields for image stitching, (E) ZV, 10×dry objective applying ‘large images’ option with a scanned area of 4×3 fields for image stitching, (F) ZVI, 10× dry objective applying ‘large images’ option with a scanned area of 4×4 fields for image stitching. Scale bars = 500 µm.
FIGURE 2. Eriocheir sinensis, ZI, CLSM images with Drishti processing. (A) frontal view of carapace with one pair of posterodorsal setae arrowed, (B) spinulated lateral carapace spine (arrowed) and ventral carapace margin, (C) dorsoposterior view of carapace margin without setae, (D) dorsal spine with spinulation. Objective: A, C, D = 20× dry; B = 40× oil immersion. Scale bars A, C, D = 200 µm; B = 100 µm.
FIGURE 3. Eriocheir sinensis, ZI, CLSM images with Drishti processing. (A) antennule, 4 terminal aesthetascs (2 broad, 2 slender) and 1 small seta, (B) antenna, with two exopodal setae. Objective: = 60× oil immersion. Scale bars = 50 µm.
FIGURE 4. Eriocheir sinensis, ZI, CLSM images with Drishti processing. (A) mandible with incisor teeth arrowed, (B) lateral view of mandible showing incisor teeth, (C) maxillule. Objectives: = 40× oil immersion. Scale bars = 50 µm.
FIGURE 5. Eriocheir sinensis, ZI, maxilla, CLSM images with Drishti processing. (A) maxilla, (B) coxal endite, (C) basial endite, (D) endopod. Objective: 40× oil immersion. Scale bars = 50 µm.
FIGURE 6. Eriocheir sinensis, ZI, first maxilliped, CLSM images with Drishti processing. (A) whole appendage, (B) coxa and basis, (C) coxa and basis rotated to reveal reverse angle of image A, (D) endopod, (E) exopod with 4 natatory setae. Objective: B-D = 40× oil immersion; A, E = 20× dry. Scale bars A, B, D = 100 µm; C, E = 200 µm.
FIGURE 7. Eriocheir sinensis, ZI, second maxilliped, CLSM images with Drishti processing. (A) whole appendage, (B) coxa, basis and endopod, applying “large images” option with a scanned area of 1×2 fields for image stitching, (C) distal endopod article. Objective: A = 20× dry; B = 40× oil immersion; C = 60× oil immersion. Scale bars A-B = 100 µm; C = 50 µm.
FIGURE 8. Eriocheir sinensis, ZI, pleon, CLSM images with Drishti processing. (A) dorsal view, one pair of posterodorsal setae on pleomere 3 presented in detail (arrowed), applying “large images” option with a scanned area of 2×6 fields for image stitching, (B) lateral view, applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: A = 40× oil immersion; B = 20× dry. Scale bars = 200 µm.
FIGURE 9. Eriocheir sinensis, ZI, telson, CLSM images with Drishti processing. (A) dorsal view of telson showing posterior margin with 3 pairs of stout spinulate spines, (B) ventral view of telson showing anal operculum; both applying “large images” option with a scanned area of 2×2 fields for image stitching. Nikon CLSM images, (C) telson fork, (D) double row of denticules on inner margin of fork. Objective: A-B = 40× oil immersion; C = 60× oil immersion. Scale bars A-B = 100 µm; C = 50 µm.
FIGURE 10. Eriocheir sinensis, ZII, CLSM images with Drishti processing. (A) ventral carapace margin, applying “large images” option with a scanned area of 2×1 fields for image stitching, (B) lateral spine now without spinulation, (C) inner side of (A). Objective: A, C = 40× oil immersion; B = 20 dry. Scale bars = 100 µm.
FIGURE 11. Eriocheir sinensis, ZII, CLSM images with Drishti processing. (A) antennule, image merged using Adobe Photoshop, (B) antenna with two exopodal setae, (C) maxillule. Objective: 40× oil immersion. Scale bars A–B = 50 µm; C = 100 µm.
FIGURE 12. Eriocheir sinensis, ZII, maxilla, CLSM images with Drishti processing. (A) maxilla, image merged using Adobe Photoshop, (B) maxilla rotated to reveal reverse angle of image A and the setation of the coxal and basial endites. Objective: 40× oil immersion. Scale bars = 100 µm.
FIGURE 13. Eriocheir sinensis, ZII, first maxilliped, CLSM images with Drishti processing. (A) whole appendage, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) endopod, (C) basis, (D) exopod with 6 natatory setae, applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: A, D = 20× dry; B-C = 40× oil immersion. Scale bars A, D = 200 µm; B-C = 100 µm.
FIGURE 14. Eriocheir sinensis, ZII, second maxilliped, CLSM images with Drishti processing. (A) whole appendage, 20× dry objective, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) basis, (C) endopod. Objective: A = 20× dry; B-C = 40× oil immersion. Scale bars A = 200 µm; B-C = 100 µm.
FIGURE 15. Eriocheir sinensis, ZII, pleon and telson, CLSM images with Drishti processing. (A) dorsal view of pleon, image merged using Adobe Photoshop, (B) lateral view of pleon and telson, applying “large images” option with a scanned area of 1×2 fields for image stitching, (C) pleomere 1 with a small dorsal medial seta, (D) dorsal view of telson. Objective: A, C = 40× oil immersion; B, D = 20× dry. Scale bars = 200 µm.
FIGURE 16. Eriocheir sinensis, ZIII, CLSM images with Drishti processing. (A) anterior view of carapace, applying “large images” option with a scanned area of 2×3 fields for image stitching, (B) ventral carapace margin, (C) dorsal spine with 1 pair of setae, applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: 20× dry. Scale bars = 200 µm.
FIGURE 17. Eriocheir sinensis, ZIII, CLSM images with Drishti processing. (A) antennule, (B) antenna with endopod bud, (C) antenna rotated to reveal reverse angle of image B to show developing endopod bud and two exopodal setae arrowed. Objective: 40× oil immersion. Scale bars = 100 µm.
FIGURE 18. Eriocheir sinensis, ZIII, CLSM images with Drishti processing. (A) mandible, (B) maxillule, applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: 40× oil immersion. Scale bars = 100 µm.
FIGURE 19. Eriocheir sinensis, ZIII, maxilla, CLSM images with Drishti processing. (A) whole appendage, image merged using VGStudio MAX, (B) maxilla rotated to reveal reverse angle of image A and the setation of the coxal and basial endites. Objective: 40× oil immersion. Scale bars = 100 µm.
FIGURE 20. Eriocheir sinensis, ZIII, first maxilliped, CLSM images with Drishti processing. (A) coxa and basis, image merged using VGStudio MAX, (B) exopod with 8 natatory setae, applying “large images” option with a scanned area of 1×2 fields for image stitching, (C) endopod, image merged using VGStudio MAX. Objective: A, C = 40× oil immersion; B = 20× dry. Scale bars A, C = 100 µm; B = 200 µm.
FIGURE 21. Eriocheir sinensis, ZIII, second maxilliped, CLSM images with Drishti processing. (A) whole appendage, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) endopod, (C) basis, (D) basis rotated to reveal reverse angle of image C; both images merged using VGStudio MAX. Objective: A = 20× dry; B = 60× oil immersion; C-D = 40× oil immersion. Scale bars A = 200 µm; B-D = 100 µm.
FIGURE 22. Eriocheir sinensis, ZIII, pleon and telson, CLSM images with Drishti processing. (A) dorsal view of pleon and telson, image merged using Adobe Photoshop, (B) lateral view of pleon, (C) pleomere 1 with a dorsal medial seta, (D) dorsal view of telson. Objective: A, D = 20× dry; B = 10× dry; C = 40× oil immersion. Scale bars A, B, D = 200 µm; C = 100 µm.
FIGURE 23. Eriocheir sinensis, ZIV, CLSM images with Drishti processing. (A) anterior view of carapace, (B) dorsal spine with 2 pairs of setae, applying “large images” option with a scanned area of 1×3 fields for image stitching. Objective: 20× dry. Scale bars = 200 µm.
FIGURE 24. Eriocheir sinensis, ZIV, CLSM images with Drishti processing. (A) a general view of ventral carapace margin with lateral spine, (B) smooth lateral spine, (C) ventral carapace margin, applying “large images” option with a scanned area of 1×2 fields for image stitching, (D) inner side of ventral carapace margin in detail. Objective: 20× dry. Scale bars A, C = 200 µm; B, D = 100 µm.
FIGURE 25. Eriocheir sinensis, ZIV, CLSM images with Drishti processing. (A) antennule, (B) antenna with a more developed endopod and two exopodal setae arrowed; both applying “large images” option with a scanned area of 2×3 fields for image stitching. Objective: 40× oil immersion. Scale bars A = 100 µm; B = 200 µm.
FIGURE 26. Eriocheir sinensis, ZIV, mandible, CLSM images with Drishti processing. (A) mandibles, (B) lateral view of mandible showing incisor teeth and molar region, applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: A = 20× dry; B = 40× oil immersion. Scale bars A = 200 µm; B = 100 µm.
FIGURE 27. Eriocheir sinensis, ZIV, maxillule, CLSM images with Drishti processing. (A) maxillule, image merged using Adobe Photoshop, (B) maxillule rotated to reveal reverse angle of image A and the setation of the coxal and basial endites. Objective: 40× oil immersion. Scale bars = 200 µm.
FIGURE 28. Eriocheir sinensis, ZIV, maxilla, CLSM images with Drishti processing. (A) whole appendage, applying “large images” option with a scanned area of 2×3 fields for image stitching, (B) maxilla rotated to show reverse angle of image A and the setation of the coxal and basial endites. Objective: 40× oil immersion. Scale bars = 200 µm.
FIGURE 29. Eriocheir sinensis, ZIV, first maxilliped, CLSM images with Drishti processing. (A) whole appendage, applying “large images” option with a scanned area of 2×2 fields for image stitching, (B) endopod with 2,2,2,6 setae, (C) endopod with 2,3,2,2,6 setae, (D) exopod with 10 natatory setae. Objective: 20× dry. Scale bars A, D = 500 µm; B-C = 200 µm.
FIGURE 30. Eriocheir sinensis, ZIV, second maxilliped, CLSM images with Drishti processing. (A) basis and endopod, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) endopod, (C) exopod with 10 natatory setae, applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: 20× dry. Scale bars A, C = 500 µm; B = 100 µm.
FIGURE 31. Eriocheir sinensis, ZIV, CLSM images with Drishti processing. (A) third maxilliped, (B) pereiopods with bilobed chela. Objective: 40× oil immersion. Scale bars = 100 µm.
FIGURE 32. Eriocheir sinensis, ZIV, pleon and telson, CLSM images with Drishti processing. (A) dorsal view of pleon and telson, (B) lateral view of pleon and telson; both applying “large images” option with a scanned area of 1×2 fields for image stitching, (C) pleomere 1 with 5 medial setae, (D) pleomere 1 with 2 medial setae, (E) dorsal view of telson. Objective: A-B = 10× dry; C-E =20× dry. Scale bars = 500 µm.
FIGURE 33. Eriocheir sinensis, ZV, CLSM images with Drishti processing. (A) anterior view of carapace, applying “large images” option with a scanned area of 2×2 fields for image stitching, (B) dorsal spine with 3 pairs of setae, applying “large images” option with a scanned area of 1×3 fields for image stitching. Objective: 20× dry. Scale bars = 500 µm.
FIGURE 34. Eriocheir sinensis, ZV, CLSM images with Drishti processing. (A) general view of ventral carapace margin, (B) lateral spine proportionally shorter in length, (C) a detailed view of ventral carapace margin, applying “large images” option with a scanned area of 1×2 fields for image stitching, (D) inner side of ventral carapace margin. Objective: 20× dry. Scale bars A, C, D = 500 µm; B = 100 µm.
FIGURE 35. Eriocheir sinensis, ZV, CLSM images with Drishti processing. (A) antennule with a pair of proximal setae and a developing accessory flagellum bud, (B) antennule, primary flagellum showing two rows of subterminal aesthetascs, (C) antenna with a more developed endopod and with one exopodal seta arrowed; all applying “large images” option with a scanned area of 2×3 fields for image stitching, (D) exopod of antenna with two setae. Objective: A-C = 40×; D = 60× oil immersion. Scale bars A, C = 200 µm; B = 100 µm; D = 10 µm.
FIGURE 36. Eriocheir sinensis, ZV, mandible, CLSM images with Drishti processing. (A) mandible with palp bud present, (B) lateral view of mandible with incisor teeth and molar region; both applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: 40× oil immersion. Scale bars A = 200 µm; B = 100 µm.
FIGURE 37. Eriocheir sinensis, ZV, maxillule, CLSM images with Drishti processing. (A) maxillule, applying “large images” option with a scanned area of 2×3 fields for image stitching, (B) coxal endite, (C) basial endite. Objective: 40× oil immersion. Scale bars = 200 µm.
FIGURE 38. Eriocheir sinensis, ZV, maxilla, CLSM images with Drishti processing. (A) whole appendage, applying “large images” option with a scanned area of 3×3 fields for image stitching, (B) coxal endite, (C) basial endite. Objective: 40× oil immersion. Scale bars A = 200 µm; B-C = 100 µm.
FIGURE 39. Eriocheir sinensis, ZV, first maxilliped, CLSM images with Drishti processing. (A) coxa with 3 setae and basis with 10 setae, (B) coxa with 3 setae and 1 smaller seta, basis with 12 setae, (C) endopod with 1,3,2,2,6 setae, (D) endopod with 2,3,2,2,6 setae, (E) exopod with 12 natatory setae, (F) exopod with 13 natatory setae; all applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: 20× dry. Scale bars = 500 µm.
FIGURE 40. Eriocheir sinensis, ZV, second maxilliped, CLSM images with Drishti processing. (A) basis and endopod, applying “large images” option with a scanned area of 1×2 fields for image stitching (reverse angle of endopod arrowed), (B) endopod with 0,1,7 setae, (C) exopod with 12 natatory setae, (D) exopod with 13 natatory setae. Objective: 20× dry. Scale bars A, C, D = 500 µm; B = 200 µm.
FIGURE 41. Eriocheir sinensis, ZV, CLSM images with Drishti processing. (A) third maxilliped, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) pereiopods with bilobed chela, (C) ventral view of fifth pleopods with endopods and uropods without endopods; both applying “large images” option with a scanned area of 2×2 fields for image stitching. Objective: 20× dry. Scale bars A = 100 µm; B-C = 500 µm.
FIGURE 42. Eriocheir sinensis, ZV, CLSM images with Drishti processing. (A) dorsal view of pleon and telson, (B) lateral view of pleon and telson; both applying “large images” option with a scanned area of 2×3 fields for image stitching, (C) pleomere 1 with 7 medial setae, (D) dorsal view of telson showing a pair of medial setae. Objective: A-B = 10× dry; C-E =20× dry. Scale bars = 500 µm.
FIGURE 43. Eriocheir sinensis, ZVI, CLSM images with Drishti processing. (A) general view of ventral carapace margin with a much shorter lateral spine, (B) ventral carapace margin detailed, (C) dorsal spine with 4 pairs of setae; all applying “large images” option with a scanned area of 2×3 fields for image stitching. Objective: 20× dry. Scale bars = 500 µm.
FIGURE 44. Eriocheir sinensis, ZVI, antennule, CLSM images with Drishti processing. (A) antennule showing small proximal seta, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) antennule rotated to show reverse angle of image A and the developing accessory flagellum bud, image merged using Adobe Photoshop. Objective: A = 20× dry; B = 40× oil immersion. Scale bars = 200 µm.
FIGURE 45. Eriocheir sinensis, ZVI, antenna, CLSM images with Drishti processing. (A) antenna with apparent 2-articled endopod distal tip almost equal to length of protopod, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) antenna with endopod slightly shorter than length of protopod, image merged using Adobe Photoshop. Objective: A = 20× dry; B = 40× oil immersion. Scale bars = 200 µm.
FIGURE 46. Eriocheir sinensis, ZVI, mandible, CLSM images with Drishti processing. (A) mandible with developing palp, (B) lateral view of mandible with incisor teeth and molar region; both applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: 40× oil immersion. Scale bars A = 200 µm; B = 100 µm.
FIGURE 47. Eriocheir sinensis, ZV, maxillule, CLSM images with Drishti processing. (A) maxillule, applying “large images” option with a scanned area of 2×3 fields for image stitching, (B) maxillule rotated to show from reverse angle of image A and the setation of the coxal and basial endites. Objective: 40× oil immersion. Scale bars = 500 µm.
FIGURE 48. Eriocheir sinensis, ZVI, maxilla, CLSM images with Drishti processing. (A) whole appendage, applying “large images” option with a scanned area of 3×3 fields for image stitching, 1 seta on exopod circled and arrowed, (B) maxilla rotated to show from reverse angle of image A and the setation of the coxal and basial endites. Objective: 40× oil immersion. Scale bars = 200 µm.
FIGURE 49. Eriocheir sinensis, ZVI, first maxilliped, CLSM images with Drishti processing. (A) coxa with 4+1 setae and basis with 12 setae, (B) endopod, (C) exopod with 14 natatory setae; all applying “large images” option with a scanned area of 1×2 fields for image stitching. Objective: 20× dry. Scale bars = 500 µm.
FIGURE 51. Eriocheir sinensis, ZVI, CLSM images with Drishti processing. (A) maxilliped three, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) pereiopods with bilobed chela, (C) ventral view of developing fifth pleopods with endopods and uropods without endopods; both applying “large images” option with a scanned area of 2×2 fields for image stitching. Objective: 20× dry. Scale bars A = 200 µm; B-C = 500 µm.
FIGURE 52. Eriocheir sinensis, ZVI, pleon and telson, CLSM images with Drishti processing. (A) dorsal view of pleon and telson, (B) lateral view of pleon and telson; both applying “large images” option with a scanned area of 2×3 fields for image stitching, (C) pleomere 1 with 7 medial setae, (D) dorsal view of telson with 6 pairs of setae, (E) telson with a pair of medial setae. Objective: A-B = 10× dry; C-D =20× dry; E = 40× oil immersion. Scale bars A-D = 500 µm; E = 100 µm.
FIGURE 50. Eriocheir sinensis, ZVI, second maxilliped, CLSM images with Drishti processing. (A) coxa, basis and endopod, applying “large images” option with a scanned area of 1×2 fields for image stitching, (B) endopod with 0,1,7 setae, (C) exopod with 13 natatory setae. Objective: 20× dry. Scale bars A, C = 500 µm; B = 100 µm.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Brachyura |
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Varuninae |
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