Eviota nigriventris Giltay, 1933
Redbelly dwarfgoby
Eviota nigriventris
photo by Erdmann, M.V.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  3 cm SL (male/unsexed)
Environment:  reef-associated; depth range - 150 m
Distribution:  Western Pacific: definitely known from Indonesia. Occurrence in Australia, the Philippines, Palau, and Japan (and other countries not mentioned) need further confirmation through genetic data..
Diagnosis:  Dorsal spines (total): 6-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 8-8. This species is distinguished from its congeners by the following set of characters: cephalic sensory-pore system pattern IV of Lachner & Karnella (1983); i.e. the PITO and IT pores are lacking and the AITO pore is enlarged); dorsal/anal-fin formula 9/8, unbranched pectoral-fin rays; genital papilla of male non-fimbriate; usually pectoral-fin base with a few chromatophores restricted to an area across from the top few fin rays, but more pigmentation on the rest of the base can be present; when preserved ventral half of body with a slightly dusky stripe, wider than eye diameter at middle of anal fin, with a dark semi-circular spot at the caudal-fin base. When alive: ventral half of body red with a narrow white line above it running the length of the body; eye with a narrow white line running across it above the pupil, a short white line behind the eye, and a small white spot under the eye (Ref. 95677).
Biology:  Lives among branching and encrusting corals (Ref. 9210) in lagoon reefs at depths of 10 or more (Ref. 37816, 48637). Forms groups among branches of Acropora coral (Ref 90102).
IUCN Red List Status: Data deficient (DD); Date assessed: 29 June 2018 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 29.01.93
Modified by: Valdestamon, Roxanne Rei - 17.07.17

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