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Amblyeleotris biguttata Randall, 2004 Twinspot shrimpgoby |
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photo by
Allen, G.R. |
| Family: | Gobiidae (Gobies), subfamily: Gobiinae | |||
| Max. size: | 10.4 cm TL (male/unsexed) | |||
| Environment: | demersal; marine; depth range 11 - 50 m | |||
| Distribution: | Western Pacific: Solomon Islands and New Caledonia. | |||
| Diagnosis: | Dorsal spines (total): 7-7; Dorsal soft rays (total): 13-13; Anal spines: 1-1; Anal soft rays: 13-13; Vertebrae: 25-25. Diagnosis: Dorsal rays VI+I, 13; anal rays I, 13; pectoral rays 19; pelvic fins joined by membrane to tips of fifth rays; pelvic frenum present; fourth pelvic ray longest; fifth pelvic ray branching twice. Longitudinal scale series 91-103; no median predorsal scales; scales on side of nape extending to above middle of opercle. Gill opening reaching forward to a vertical about two-thirds orbit diameter behind eye. Body depth 5.8-6.1 in SL; head length 3.6-3.8 in SL; caudal fin pointed and long, 2.2-2.6 in SL. Pale brown dorsally, white ventrally, with three indistinct brown bars on body, and a slightly oblique brown bar from nape across opercle; pale interspaces with small brown blotches, faintly interconnected; a pair of prominent black spots on chin; dorsal fins yellowish grey, the first dorsal with small irregular dark-edged pale blue spots and orange tipped spines, the second dorsal with a broad yellow border containing small dark-edged pale blue spots, the rays tipped with orange; caudal fin with a vertically elongate diffuse brown spot on base (Ref. 57552). | |||
| Biology: | The species inhabits silty sand areas and is associated with unidentified alpheid shrimp, where this species takes refuge in the shrimp's burrow (Ref. 57552). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 14 August 2023 Ref. (130435) | |||
| Threat to humans: | harmless | |||