Eviota raja Allen, 2001
Raja dwarfgoby
Eviota raja
photo by Allen, G.R.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  2.38 cm SL (male/unsexed)
Environment:  reef-associated; marine
Distribution:  Western Central Pacific: Indonesia (Raja Ampat Islands).
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 8-9. Pectoral fin rays simple; spinous dorsal fin elongate or filamentous in both sexes, first to third (rarely fourth) longest; fifth pelvic fin ray well developed, five-tenths to nine-tenths length of fourth ray; cephalic sensory pore system lacking IT and PITO pores, and AITO pore single (except double in smallest paratype) and very large; posterior rays of second dorsal and anal fins elongate, forming a lanceolate shape; membranes of dorsal and anal fins slightly dusky; lower portion of caudal peduncle dusky and pair of vertically elongate black spots at upper and lower caudal fin base, their upper and lower edges often joined or nearly joined at middle of caudal peduncle, especially in mature adults (Ref. 44113). Description: Characterized further by presence of red stripes bordering broad mid-lateral yellow stripe; base of caudal fin with narrow dark bar; white stripe on mid snout; upper iris white; cheek and opercle with blue streaks; longitudinal scale series 24-25; depth of body 4.3-4.7 in SL (Ref. 90102).
Biology:  Found in sheltered reef slopes (Ref. 44113). Forms aggregations of 10-20 individuals among branching coral (Ref. 44113).
IUCN Red List Status: Endangered (EN); Date assessed: 29 June 2018 (B1ab(iii)+2ab(iii)) Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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