Kapalana wadei, Berents & Lowry, 2018

Berents, Penelope B. & Lowry, J. K., 2018, The New Crustacean Amphipod Genus Kapalana from Australian Waters (Senticaudata, Ischyroceridae, Ischyrocerinae, Cerapodini), Records of the Australian Museum 70 (4), pp. 391-421 : 413-417

Kapalana wadei sp. nov.

Figs 20–24

Holotype, male, 10.9 mm, AM P.78347, just beyond beach flats, off Bagnalls Beach , Port Stephens, New South Wales, Australia (32°43'17"S 152°07'17"E), benthic sledge, W. F. Ponder & S. J. Hall, 25 October 1980, NSW 191 . Paratypes: 11 males, 2 females, 3 juveniles, AM P.78348; 1 male, AM P.78349; 1 male, 8.3 mm, AM P.78350; 1 male, 11.2 mm, AM P.78351; 1 female, 9.3 mm, AM P.78352; 1 male, 15.5 mm, AM P.78353; all with same data as holotype. Many specimens, AM P.78354, northern cove of Boondelbah Island , Port Stephens, New South Wales, Australia, (32°42'17"S 152°13'28"E), red algae and Kapalana tubes, hand collected on scuba, 17.1 m, P. B. Berents, 28 May 1998, NSW 1405; many specimens, AM P.78355, north-west side of Little Island , east of Port Stephens entrance, New South Wales, Australia (32°42'07"S 152°14'16"E), Kapalana tubes on large rocks, hand collected on scuba, 21.7 m, P. B. Berents, 30 May 1998, NSW 1454 .

Additional material examined. 8 specimens, AM P.78356, Port Kembla , New South Wales, Australia, (34°29'S 150°55'E), low lying reef, 18 m, J. E. Watson ; 4 specimens, AM P.78357, Jibbon Head , New South Wales, Australia, (34°04'S 151°10'E), on weed on reef, 23 m, J.E. Watson ; 1 female, AM P.78358, north-west side of Little Island , east of Port Stephens entrance, New South Wales, Australia (32°42'07"S 152°14'16"E), brown-purple multi-siphoned low sponge in sediment and attached to rock, hand collected on scuba, 21.8 m, S. J. Keable, 30 May 1998, NSW 1443 ; 1 female, AM P.78359, north-west side of Little Island , east of Port Stephens entrance, New South Wales, Australia, (32°42'07"S 152°14'16"E), orange finger sponge from rock, hand collected on scuba, 21.6 m, S. J. Keable, 30 May 1998, NSW 1444; several specimens, AM P.78360, north-west side of Little Island, east of Port Stephens entrance, New South Wales, Australia, (32°42'07"S 152°14'16"E), on lacy bryozoan cf. Triphyllozoon sp. on boulder, hand collected on scuba, 21.6 m, A. Murray, 30 May 1998, NSW 1446 ; 2 specimens, AM P.78361, north-west side of Little Island , east of Port Stephens entrance, New South Wales, Australia (32°42'07"S 152°14'16"E), on orange feathery bryozoan, hand collected on scuba, 20.1 m, A. Murray, 30 May 1998, NSW 1453 ; 2 females, AM P.78362, north-west side of Little Island , east of Port Stephens entrance, New South Wales, Australia (32°42'07"S 152°14'16"E), on gelatinous ascidians on rocks, hand collected on scuba, 21.6 m, A. Murray, 30 May 1998, NSW 1455; 1 ovigerous female, AM P.78363, east of Red Head, New South Wales, Australia, (32°03'17"S 152°33'14"E), encrusted rock surface with sediment and worm tubes, airlift, 12.3 m, P. B. Berents, R. T. Johnson, S. J. Keable, A. Murray & R. T. Springthorpe on RV Baragula, 22 March 2003, NSW 2265 ; 2 males, AM P.78588, Jolong Reef , approximately 700 metres north east of Cape Banks , New South Wales, Australia, (33°59'47"S 151°15'13"E), turfing algae, hand collected on scuba, 21 m, A. MurraY on RV Baragula, 10 November 2008, MI NSW 3369; many specimens, AM P.75506, Park Beach Bommie, east of Coffs Harbour, New South Wales, Australia (30°17'42"S 153°12'E), green alga Halimeda sp. , hand collected on scuba, R. T. Springthorpe on RV Baragula, 3 May 2005, NSW 2828 ; 1 specimen, AM P.73743, east of Red Head , New South Wales, Australia (32°03'17"S 152°33'14"E), small sandy tubes from rock, hand collected on scuba, 12 m, Australian Museum Party, RV Baragula, 22 March 2003, NSW 2246 ; 1 male, AM P.74098, northern cove of Boondelbah Island , Port Stephens , New South Wales, Australia (32°42'17"S 152°13'28"E), red algae and Kapalana tubes, hand collected on scuba, 17.1 m, P. B. Berents, 28 May 1998, NSW 1405; many specimens, AM P.99316, Home Bommie, south east of Sullivan’s Reef, east of Ulladulla, New South Wales, Australia (35°21'40"S 150°29'36"E), brown and red algae and lacy bryozoans scrapings on rock wall, by hand on scuba, 21.5 m, A. Murray on RV Baragula, 13 May 2013, MI NSW 4201 .

Type locality. Off Bagnalls Beach , Port Stephens, New South Wales, Australia (32°43'17"S 152°07'17"E) .

Etymology. Named for Dr Denis Wade AM, Former Foundation Professor, Clinical Pharmacology at The University of New South Wales.

Description. Based on holotype, male, 10.9 mm, AM P.78347.

Head. Rostrum very long, length 0.6 × head, forming a basal shoulder, apically acute; lateral cephalic lobe with ventral corner rounded, subocular margin deeply recessed, reaching beyond eye, anteroventral corner rounded, ventral margin sloping, posterior margin sloping. Antenna 1 long, length 0.5 × body length; peduncle with scales; peduncular article 1 subequal to article 3, length 1.1 ×peduncular article 3, not produced anterodistally and anteromedially, with strong sub-quadrate projection along posterior margin, posterodistal corner not produced; peduncular article 2 anterodistal corner with distal projection flagellum 10-articulate; article 1 short. Antenna 2 length 1.1 × antenna 1; flagellum 7-articulate.

Epistome and upper lip fused, produced, broad base, apically acute. Mandible, palp article 2 long and slender, 2.5 × as long as broad, subequal in length to article 3; palp article 3 slender, blade-like, length 5.2 × breadth.

Pereon. Pereonite 1 with lateral keel and sternal keel. Pereonites 2–3 without sternal keel. Pereonite 5 length 1.5 × depth.

Gnathopod 1 subchelate; coxa fused to pereonite 1, without anteroventral lobe; basis length 2.2 × depth; carpus broad, length 1.4 × depth with setose posterior lobe, propodus palm acute, robust setae absent. Gnathopod 2 carpochelate; coxa not fused to pereonite 2, length 1.9 × depth, without anteroventral lobe or cusp; basis short, broad, length 1.5 × breadth; carpus long, length 1.1 × breadth, broad, palm shallowly excavate, anterodistal tooth large, located near articulation with propodus, posterodistal tooth well defined, long, length 2.1 × width; propodus slender, strongly curved, length 5.1 × width, without tooth on posterior margin, posterodistal corner rugose, without spines; dactylus length 0.4 × propodus.

Pereopod 3 coxa not fused to pereonite 3, without anteroventral lobe, length 1.8 × depth; basis, length 2.3 × breadth, with proximal rounded anterodorsal corner, with plumose setal group and simple setae along anterior margin, without denticles along anterior margin; length 1.9 × breadth; merus length 1.2 × breadth, short, without ridges. Pereopod 4 coxa not fused to pereonite 4, length 2.3 × depth, with anteroventral lobe; basis, length 2 × breadth, with simple setal group midway along anterior margin; ischium long, length 2.6 × breadth; merus long, length 1.4 × breadth. Pereopod 5 coxa, length 0.8 × depth, without patches of small setae, with setae along ventral margin; merus with anterior lobe extending beyond anterior margin of carpus, posterior lobe with 6 plumose setae; propodus with 5 setae along posterior margin; dactylus short, uncinate with 2 accessory hooks. Pereopod 6 coxa with setal fringe ventrally, without patches of small setae near margins; basis with patch of small setae near anterior margin; dactylus short, uncinate, with 2 accessory hooks. Pereopod 7 coxa without posterodorsal lobe, without patch of small setae; dactylus short, uncinate, with 2 accessory hooks.

Pleon. Pleopods 1–3 biramous, decreasing in size anteroposteriorly. Pleopod 1 inner ramus 10-articulate; outer ramus 9-articulate, article 1 evenly swollen. Pleopod 2 inner

Figures

Figure 20. Kapalana wadei sp. nov., paratype, male, 11.2

Figure 21. Kapalana wadei sp. nov., paratype, male, 11.2 mm, AM P.78351, dorsal view of head and pereonites 1–3, off Bagnalls Beach, Port Stephens, New South Wales, Australia.

Figure 22. Kapalana wadei sp. nov., holotype, male, 10.9 mm, AM P.78347; paratype male “b”, 8.3 mm,AM P.78350; paratype, female, 9.3 mm, AM P.78352; off Bagnalls Beach, Port Stephens, New South Wales, Australia. Scales represent 0.1 mm.

Figure 23. Kapalana wadei sp. nov., holotYpe, male, 10.9 mm, AM P.78347; off Bagnalls Beach, Port Stephens, New South Wales, Australia. Scales represent 0.1 mm.

Figure 24. Kapalana wadei sp. nov., holotype, male, 10.9 mm, AM P.78347; paratype male “a”, 8.3 mm, AM P.78350; paratype, male “b”, 15.5 mm, AM P.78353; paratYpe, female, 9.3 mm, AM P.78352; off Bagnalls Beach, Port Stephens, New South Wales, Australia. Gnathopod 2 insertion points of setae are indicated by small circles. Scales represent 0.1 mm.