Eviota vader
Eviota vader Greenfield, Erdmann & Ishida, 2025
Black dwarfgoby

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  1.15 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 4 - 50 m
Distribution:  West Pacific: Papua New Guinea.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-8; Anal spines: 1-1; Anal soft rays: 7-7. This species is distinguished from all its congeners by the following set of characters: with a complete cephalic sensory-canal pore system (pattern 1); dorsal/anal fin-ray formula 8/7; some pectoral-fin rays are branched; presence of a fifth pelvic-fin ray; absence of dark occipital spots or any dark spots at the base of dorsal or caudal fins; with a broad and fringed male urogenital papilla; entire body and fins purplish black (Ref. 137777).
Biology:  A single specimen was collected from 4 m depth on the reef crest, from a small burrow in the top of a large Porites coral bommie, and this reef crest has many large Porites and other massive corals, transitioning into branching and foliose corals occupying the reef slope at a 45° angle to a maximum depth of 40-50 m (Ref. 137777).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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