Mithraculus sculptus ( Lamarck, 1818 )

Carmona-Suárez, Carlos & Poupin, Joseph, 2016, Majoidea crabs from Guadeloupe Island, with a documented list of species for the Lesser Antilles (Crustacea, Decapoda, Brachyura, Majoidea), Zoosystema 38 (3), pp. 353-387 : 372-373

Mithraculus sculptus ( Lamarck, 1818)

( Fig. 6G )

Maia sculpta Lamarck, 1818: 242 (type locality: not indicated).

Mithrax sculptus – H. Milne-Edwards 1832: 14 ( Martinique); 1834- 1840: 322 (Antilles). — Doflein 1899: 179 ( Martinique).— Rathbun 1924b: 20 ( Curaçao). — Rodríguez 1980: 288 ( Tortuga, Los Roques, Curaçao, Aruba). — Scelzo & Varela 1988: 37 (Blanquilla). — Lira 2004: table 1 ( Tortuga).

Mithrax minutus Desbonne , in Desbonne & Schramm, 1867: 10 ( Guadeloupe). — A. Milne-Edwards 1873-1880: 105 ( St Thomas, Guadeloupe, Martinique).

Mithrax coronatus – A. Milne-Edwards 1873-1880: 106 ( St Thomas, Guadeloupe).

Mithrax (Mithraculus) sculptus – Rathbun 1925: 422 ( St Thomas, Antigua, Barbados, Curaçao).

Mithraculus sculptus – Wagner 1990: 43 ( St Thomas, St Croix, Anguilla, St Martin, St Eustatius, Guadeloupe, Isla de Aves , Martinique, Tobago, Bonaire, Aruba). — García et al. 1998: 27 ( Isla de Aves ). — Marcano & Bolaños 2001: 77 (Margarita). — Lira et al. 2013: table 1 (Margarita, Los Roques, Tortuga, Blanquilla). — Questel 2014: 13 (St Barthélemy).

MATERIAL EXAMINED. — Guadeloupe. KARUBENTHOS 2012, 2 ♂ MNHN-IU-2013-4761 (lot JL1072-1), st. GB 21, 8 m ; 1♂ MNHN-IU-2013-4537 (lot JL1364-4), st. GB 29, 2 m; 2 ♂ MNHN-IU-2013-6617 (lot JL560-2), st. GM 10, 1 m; 1 ♂ MNHN-IU-2013-6619 (lot JL702), st. GM 11, 1 m; 2 ♂, 2 ♀ MNHN-IU-2013-6608 (lot JL947-2), st. GM 21, 2 m; 1 ♂, 1 ♀ MNHN-IU-2013-4560 (lot JL1252), st. GM 28, 2 m; 2 ♂, 1 ♀ ov. MNHN-IU-2013-5936 (lot JL55-1), st. GR01, 3 m; 3 ♂, 2♀ MNHN-IU-2013-4533 (lot JL1400-3), st. GR 50, 4 m.

DIAGNOSIS. — Posterior two-third of carapace nodose. Four anterolateral lobes, the anterior one reduced. Arm strongly bilobed on inner margin. Wrist smooth, non-dentate. Color greenish or bluish.

HABITAT. — Associated with corals, sponges and sea anemones; on calcareous algae, Syringodium , Thalassia , Halodule , Rhizophora mangle roots, under rocks, on rocky shore. Collected 1-8 m, reported 1- 55 m.

DISTRIBUTION. — Western Atlantic. South Florida, Bahamas, Cuba, Jamaica, Puerto Rico, Gulf of Mexico, Honduras, Panamá, Colombia, Venezuela, Brazil. Lesser Antilles VI ( St Thomas, St Croix), ICA ( Antigua, St Martin, St Barthélemy, St Eustatius, Guadeloupe, Isla de Aves, Martinique, Barbados, Tobago), IOV (Margarita, Blanquilla, Tortuga, Los Roques, Bonaire, Curaçao, Aruba).

REMARK

This species that can be confused with M. coryphe (see under that species). The bright green color is usually associated with M. sculptus and a good way to recognize it on the field (see Fig. 6G and also Windsor & Felder 2014, Fig. 3F ).

Figures

FIG. 6. — Pisinae Dana, 1851: A, Stenocionops coelatus, 1 ♀ MNHN-IU-2013-6729, st. GN20, 258 m. Mithracidae (Windsor & Felder, 2014): B, Maguimithrax spinosissimus (Lamarck, 1818), 1♀ MNHN-IU-2013-6626, st. GR23, 20 m; C, Hemus cristulipes A. Milne-Edwards, 1875, 1 ♀ MNHN-IU-2013-5668, st. GS11, 17 m; D, Mithraculus cinctimanus Stimpson, 1860, 1 ♀ MNHN-IU-2013-4955, st. GM21, 2 m; E, Mithraculus coryphe (Herbst, 1801), 1 ♀ MNHN-IU-2013-4958, st. GB30, 16 m; F, Mithraculus forceps A. Milne-Edwards, 1875, 1 ♂ MNHN-IU-2013-4254, st. GB09, 6 m; G, Mithraculus sculptus (Lamarck, 1818), 1♂ MNHN- IU-2013-6619, st.GM11,1 m; H, Mithrax pilosus Rathbun,1892, 1♂ MNHN-IU-2013-5929 (as ‘Mithrax verrucosus’), st.GM02,1 m;I, Mithrax verrucosus H. Milne- Edwards, 1832, 1 ♂ MNHN-IU-2013-5934, st. GM02, 1 m; Mithrax sp. (aff. acuticornis), J, 1 ♀ ov. 26.4 × 24.2 mm MNHN-IU-2013-4437 (lot JL1046), st. GB33, 50 m; K, same with carapace cleaned to show lateral spines.

FIG. 3. — Inachidae MacLeay, 1838: A, Ericerodes gracilipes (Stimpson, 1871), 1 ov. ♀ 8.3 × 4.8 mm MNHN-IU-2013-4199, st. GD35, 66 m; B, Eucinetops blakianus Rathbun, 1896, 1 ov. ♀ MNHN-IU-2013-4191, st. GB01, 6 m; C, Podochela curvirostris (A. Milne-Edwards, 1879), 1 sp. MNHN-IU-2013-19105? KARUB- ENTHOS 2015, st. CP4623, 26/06/2015, 15°55.72’N, 61°31.02’W, 182-217 m; D, Podochela grossipes Stimpson, 1860, 1 ♂ MNHN-IU-2013-4135, st. GD50, 22 m; E, Podochela macrodera Stimpson, 1860, 1♂ MNHN-IU-2013-6613, st. GM11, 1 m. Stenorhynchinae Dana, 1851; F, Stenorhynchus seticornis (Herbst, 1788),1 ♀ MNHN-IU-2013-4062, st. GR01, 3 m; G, Stenorhynchus yangi Goeke, 1989, 1 sp. no MNHN (lot JL314), st. GN11, 140 m. Inachoididae (Guinot, 2012): H, I, Aepinus septemspinosus (A. Milne-Edwards, 1878),1 ♀ ov. 5.8 × 4.1 mm MNHN-IU-2013-11301, st. GD02,80 m; J, Collodes trispinosus Stimpson 1891, 1♀ MNHN-IU-2013-4197 (lot JL973-1), st. GD35, 66 m; K, Euprognatha gracilipes A. Milne-Edwards,1878, 1 sp. MNHN-IU-2013-19060? KARUBENTHOS 2015, st. DW4613, 25/06/2015, 16°24.16’N, 60°50.1’W, 210-240 m; L, Euprognatha rastellifera Stimpson, 1871, 1♂ 8.4 × 6.2 mm MNHN-IU-2013-4120, st. GD17, 30 m; M, Pyromaia acanthina Lemaitre, N. H. Campos & Bermúdez, 2001, 1 ♀ ov. 12.9 (without rostrum) × 8.8 mm, MNHN-IU-2013-5931, st. GN04, 150 m.