Eviota irrasa Karnella & Lachner, 1981
Unpolished dwarfgoby
Eviota irrasa
photo by Winterbottom, R.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  1.76 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 0 - 3 m
Distribution:  Western Pacific: Cuyo Islands, Palawan, Philippines and the Southwest Islands of Palau.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 8-8; Vertebrae: 26-26. Characterized by the following: base of pectoral fin with two dark circular to oval spots, not sharply defined and often weakly connected, the upper spot somewhat larger than the lower; pectoral spots moderately pigmented, the intensity about equal to trunk bars; head (dorsally) and nape with dark, transverse, bars continuous over dorsal midline, and somewhat more heavily pigmented laterally; trunk with regular, dark, vertical bars, somewhat diffuse in outline, continuous over dorsal midline and usually not extending below midside anteriorly and much shorter posteriorly on peduncle; scale pockets dorsolaterally on trunk often weakly pigmented (Ref. 5289); characterized further by longitudinal scale series 24; ctenoid scales, absence on head, nape and base of pectoral fin; separated pelvic fins, only thin membrane joins bases; 8-11 branches on fourth pelvic ray; depth of body 4.1-4.7 in SL (Ref. 90102). Dorsal to anal fin-ray formula 9/8 (Ref. 116739).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 29 June 2018 Ref. (123251)
Threat to humans:  harmless
Country info:   
 

Entered by: Capuli, Estelita Emily - 16.03.93
Modified by: Valdestamon, Roxanne Rei - 23.07.13

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