Ethusa curvipes Chen, 1993

Castro, Peter, 2005, Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region, Zoosystema 27 (3), pp. 499-600 : 519

Ethusa curvipes Chen, 1993

Ethusa curvipes Chen, 1993: 318 (key), 320, fig. 3.

TYPE MATERIAL. — Holotype:, damaged, MUSORSTOM 4, stn CP 169 ( MNHN-B 22253 ); paratype: cl 5.4 mm, cw 4.9 mm, SMIB 6, stn DW 126 ( MNHN-B 22427 ).

TYPE LOCALITY. — New Caledonia, Grand Passage, 18°54.03’S, 163°11.20’E, 600 m.

MATERIAL EXAMINED. — New Caledonia. MUSORSTOM 4, stn CP 169, 18°54.03 ’S, 163°11.20’E, 600 m, 17.IX.1985, 1 holotype ( MNHN-B 22253).

SMIB 6, stn DW 126, 18°59.1’S, 163°22.7’E, 320- 330 m, 3.III.1990, 1 paratype ( MNHN-B 22427). BATHUS 2, stn DW 717, 22°44’S, 163°13.55’E, 350-393 m, 11.V.1993, 1 ( MNHN-B 28494).

BATHUS 4, stn DW 903, 18°59.93’S, 163°13.55’E, 386-400 m, 4.VIII.1994, 1 (MNHN-B 28491).

DISTRIBUTION. — Known only from New Caledonia. Depth: 320-600 m ( Fig. 34 ).

SIZE. — Maximum size: cl 6.6 mm, cw 6.2 mm (MNHN-B 28491), unknown.

REMARKS

Ethusa curvipes is known from only four male specimens. It is best distinguished by a distinctively curved G1 ( Chen 1993: fig. 3e). The endostome is relatively short, its anterior border extending only to the level of the antennular fossae of the basal antennular articles.

Figures

FIG. 34. — Bathymetric distribution of Indo-West Pacific ethusine crabs.