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.
Dorsal spines (total): 7; Dorsal soft rays (total): 7 - 9; Anal spines: 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 .: elongated.
Behavioural data for Erythrops goby is currently being reviewed.
Diet information for Erythrops goby is currently being compiled.
Reproduction data for Erythrops goby is currently being compiled.
Marine; reef-associated; depth range 1 - 10 m . Tropical; 19°N - 24°S
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