Waldeckia enoei Stephensen, 1931

Lowry, J. K. & Kilgallen, N. M., 2014, A revision of the lysianassid genus Waldeckia with the description of four new species (Crustacea, Amphipoda, Lysianassidae, Waldeckiinae subfam. nov.), Zootaxa 3784 (4), pp. 301-345 : 320-324

Waldeckia enoei Stephensen, 1931

( Figs 11–14 , 16 e)

Waldeckia enoei Stephensen, 1931: 3 , figs 1–3. ― J.L. Barnard, 1958: 102. ― Lowry & Stoddart, 2009: 575 , figs 9, 10. Waldeckia kroyeri enoei . Pirlot, 1936: 268, fig. 105B. ― Barnard & Karaman, 1991: 542.

Types. Holotype female (ovigerous), 15 mm, IRSNB.

Type locality. Palau Enu (as Poeloe Enoe), Aru Islands, Arafura Sea, Indonesia (~ 7°5.0’S 134°30.0’E).

Material examined. Queensland: 1 specimen, AM P.71054, Lizard Island, 500 m north-east of North Point (14°38.7’S 145°27.2’E), 27/02/2005, mixed algae ( Halimeda macroloba , Halimeda cylindracea , Caulerpa taxifolia , Gracilaria sp., Lobophora sp.) and sediment, 22 m, coll. A. Hoggett & L.L. Vail; 2 specimens, AM P.77897, Lizard Island area, lee of Carter Reef (14°33.0’S 145°35.0’E), 07/03/1983, sand and scattered coral heads, 25–30 m, coll. J.M. Leis; 1 specimen, AM P.77898, Lizard Island area, off Osprey Island (14°40.0’S 145°26.0’E), 07/10/1979, 6– 13 m, coll. J.M. Leis; 4 specimens, AM P.77899, Lizard Island area, off Osprey Island (14°40.0’S 145°26.0’E), 07/10/1979, 3 m, coll. J.M. Leis; 1 specimen, AM P.77900, Lizard Island, off Mrs Watsons Beach (14°40.0’S 145°28.0’E), 24/11/1978, sponge on sand bottom, 18 m, coll. D. Hoese & H.K. Larson; 1 specimen, AM P.78704, Lizard Island area, off Osprey Island (14°40.0’S 145°26.0’E), 07/10/1979, 6– 13 m, coll. J.M. Leis.

Western Australia: 1 female, AM P.71786, North West Shelf (19°4.8’S 118°50.8’E), 15/02/1983, 82– 83 m, coll. CSIRO North West Shelf Project, FRV Soela; 1 male, AM P.71787, North West Shelf (19°4.8’S 118°50.8’E), 15/02/1983, 82– 83 m, coll. CSIRO North West Shelf Project, FRV Soela; 1 Male, AM P.71788, North West Shelf (19°4.8’S 118°50.8’E), 15/02/1983, 82– 83 m, coll. CSIRO North West Shelf Project, FRV Soela; 1 specimen, AM P.71789, North West Shelf (19°4.8’S 118°50.8’E), 15/02/1983, 82– 83 m, coll. CSIRO North West Shelf Project, FRV Soela; 1 specimen, AM P.71790, North West Shelf (20°0.2’S 117°0.5’E), 4/09/1983, 52 m, coll. CSIRO North West Shelf Project, FRV Soela; 1 Female, AM P.71791, North West Shelf (20°0.2’S 117°0.5’E), 04/09/1983, 52 m, coll. CSIRO North West Shelf Project, FRV Soela; 1 specimen, AM P.71792, North West Shelf (19°5.2’S 118°57.6’E), 14/02/1983, 82 m, coll. CSIRO North West Shelf Project, FRV Soela; 53 specimens, AM P.71793, North West Shelf (19°5.2’S 118°57.6’E), 14/02/1983, 82 m, coll. CSIRO North West Shelf Project, FRV Soela.

Indonesia: 1 juvenile, ZMA. CRUS.P.9871–9872, anchorage off Pulu Jedan, east coast of Aru Island, Indonesia, [approx. 5°20.0’S 134°50.0’E], 13 m, shelly sand, dredge, 23–26 December 1899, Siboga stn 273 (identified by Pirlot (1936) as W. kroyeri kroyeri ); 2 males, ZMA. CRUS.P.9853–9858 and ZMA. CRUS.P.9859–9860 [between Pulau Misool and Irian Jaya, Indonesia, Seram Sea], 1°42.5’S 130°47.5’E, 32 m, sand with stones and broken shell, dredge, 20 August 1899, Siboga stn 164; 4 specimens, ZMA. CRUS.P.9861–9862, ZMA. CRUS.P.9863–9864, ZMA. CRUS.P.9865–9866 and ZMA. CRUS.P.9867–9868, anchorage off Pulu Jedan, east coast of Aru Island, Indonesia, [approx. 5°20.0’S 134°50.0’E], 13 m, shelly sand, dredge, 23–26 December 1899, Siboga stn 273; 1 juvenile, ZMA. CRUS.P.9869–9870, [anchorage on north-east coast of Timor, Timor Sea], 8°39.1’S 127°4.4’E, 34 m, mud, coral debris and maerl, dredge, 18/01/1900, Siboga stn 285.

Diagnostic description. Head lateral cephalic lobe large, narrowly rounded in female, subacute in male. Antenna 1 peduncular article 1 without anterodistal projection. Labrum, epistome and upper lip fused. Mandible palp article 2 anterodistal margin setose; article 3 with marginal and apical setae. Labium without apical stylets on each lobe. Gnathopod 1 parachelate; basis anterior margin with "bottle” setae; propodus posterior margin smooth. Gnathopod 2 subchelate; carpus long; propodus palm transverse, concave; dactylus not fitting palm. Pereopod 6 basis posteroventral margin rounded. Pereopod 7 basis, posterior margin slightly rounded, minutely crenate, posteroventral margin oblique, sloping inward. Epimeron 3 posteroventral corner narrowly rounded/ subquadrate. Urosomites 1–3 dorsally smooth. Uropod 1 rami subequal in length; uropod 2 rami subequal in length; uropod 3 inner ramus slightly shorter than outer ramus, reaching article 2 of outer ramus.

Depth range. 3– 83 m.

Remarks. Waldeckia enoei differs from all species in the genus in having distinctive ‘bottle’ setae on the anterior margin of the gnathopod 1 basis.

Distribution. Australia: North West Shelf, Western Australia; Great Barrier Reef, Queensland. Indonesia: Aru Island. East Timor: East coast.

Figures

FIGURE 11. Waldeckia enoei Stephensen, 1931, female habitus, AM P. 71786, from Northwest Shelf, Western Australia.

FIGURE 12. Waldeckia enoei Stephensen, 1931, all parts from female, AM P. 71786, except A 1, A 2 from male, AM P. 71787; both from Northwest Shelf, Western Australia. Scale bars 0.2 mm.

FIGURE 13. Waldeckia enoei Stephensen, 1931, female, AM P. 71786, from Northwest Shelf, Western Australia. Scale bars: 0.5 mm.

FIGURE 14. Waldeckia enoei Stephensen, 1931, all parts from female, AM P. 71786, except head from male AM P. 71787; both from Northwest Shelf, Western Australia. Scale bars: 0.2 mm.

FIGURE 16. Distribution records for Waldeckia spp. Stars indicate type locality. (a) W. australiensis (Haswell, 1879 b), (b) W. brachycephala Ren, 1998, (c) W. crenulata Pirlot, 1936, (d) W. dempseyae sp. nov., (e) W. enoei Stephensen, 1931, (f) W. kroyeri (White, 1847 b) (indicated type locality is approximate).