Macrobrachium gua Chong 1989

Macrobrachium gua Chong, 1989

Macrobrachium gua Chong, 1989:32, figs. 1, 2 [type locality: stream at resurgence from Gomantong Hill, about 5°33′N, 118°06′E, Sabah, Borneo].

DIAGNOSIS.—Rostrum not quite overreaching antennal scale, dorsal margin faintly convex, rostral formula: 3–4 + 6–9/2–3, dorsal teeth subequally spaced; telson with posterior apex not overreaching longer posterolateral spines; antennal scale with lateral margin nearly straight; 2nd pereopods subequal in length and similar in form, palm of major member of pair slightly compressed, fingers with surfaces more or less concealed by tufts of moderately long, velvety hairs, also on distal to of chela, fingers dentate on opposable margins, not appreciably gaping, nearly or fully as long as palm, chela about 4 times as long as carpus, carpus about as long as merus; maximum postorbital carapace length about 20 mm.

RANGE.—Known only from the type locality at the effluent of an underground stream in Sabah.