Bryaninops erythrops (Jordan & Seale, 1906)
Erythrops goby
Bia
photo by Brett, O.J. / www.tropicalfavourites.com

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  2.3 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 1 - 10 m
Distribution:  Indo-Pacific: Chagos Islands, Philippines, Great Barrier Reef, Fiji, and Samoa; Mariana, eastern Caroline and Marshall Islands in Micronesia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 7-9; Anal spines: 1-1; Anal soft rays: 7-9. Characterized by semi-transparent head and body with white internal pigment over brain; upper surface of vertebral column white internal white stripe; ventral half of body with six faint reddish internal bars; lower half of body obscured by reddish brown to violet brown or purple streak and ending at caudal fin base; presence of brown saddles along back; all pectoral rays usually unbranched; longitudinal scale series 34-49; broad and disc-like pelvic fins, reaching to anus or beyond; opening of gill usually reaching to below rear edge of eye (Ref. 90102).
Biology:  Lives on certain branching coral forms of fire coral (Millepora spp.) and on other massive corals ones (e.g. like Porites cylindrica, P. lutea) in shallow lagoons at depths of 1 to 10 m.
IUCN Red List Status: Least Concern (LC); Date assessed: 13 March 2015 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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