Jengalpheops rufus Anker & Dworschak, 2007

Anker, Arthur, Pratama, Idham Sumarto, Firdaus, Muhammad & Rahayu, Dwi Listyo, 2015, On some interesting marine decapod crustaceans (Alpheidae, Laomediidae, Strahlaxiidae) from Lombok, Indonesia, Zootaxa 3911 (3), pp. 301-342 : 318-320

Jengalpheops rufus Anker & Dworschak, 2007

( Fig. 13 )

Jengalpheops rufus Anker & Dworschak 2007: 291 , figs. 1–7.

Material examined. Indonesia. 1 ov. female ( MZB Cru 4047), western Lombok, Sira, seagrass flat with some muddy areas, burrow, suction pump, 0.2–0.5 m, leg. D.L. Rahayu et al., 13 May 2014 [LB-St4-10]; 1 male ( RMNH. CRUS.D.56742), same collection data [LB-St4-09]; 1 ov. female ( OUMNH.ZC. 2014-10-12), same collection data [LB-St4-07].

Taxonomic account. See Anker & Dworschak (2007).

Habitat. Sand-mud flats fringed by mangroves and seagrass beds; in burrows of the callianassid ghost-shrimp Glypturus armatus ( A. Milne-Edwards, 1870) (see below). Depth range: intertidal and possibly shallow subtidal (around 0–5 m).

Distribution. Indo-West Pacific: Philippines and Indonesia (new record) ( Anker & Dworschak 2007; present study).

Remarks. Jengalpheops rufus was previously known only from the type series from Panglao, a small island near Bohol in the Philippines. The three specimens from Lombok represent the first finding of J. rufus and the monotypic genus Jengalpheops in Indonesian waters. The reason for the apparent rarity of J. rufus is its obligate association with the complex burrow systems of a large, orange-coloured callianassid ghost-shrimp, Glypturus armatus . Jengalpheops rufus can be most easily recognised by its slender body; small, symmetrical, nonspecialised chelipeds (slightly more robust in males); partly exposed eyestalks; and in life, as its name suggests, by a uniform reddish colouration ( Fig. 13 ).

Figures

FIGURE 13. Jengalpheops rufus Anker & Dworschak, 2007: A, B—male (cl 5.0 mm) from Sira, Lombok, Indonesia (RMNH. CRUS. D. 56742), A—dorsal view; B—lateral view; C—ovigerous female (cl 5.5 mm) from the same locality (OUMNH. ZC. 2014 - 10 - 12), lateral view.