Oxyurichthys notonema (Weber, 1909)
Threadfin mudgoby
photo by Kuiter, R.H.

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  7.5 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 10 - 25 m
Distribution:  Indo-West Pacific.
Diagnosis:  Dorsal spines (total): 6-7; Dorsal soft rays (total): 12-12; Anal spines: 1-1; Anal soft rays: 13-13. Characterized by pale brownish grey to bluish grey body color with four large, brown to yellow brown ovate blotches along middle of side at level of base of pectoral fin, irregular orange markings between blotches; small brown spots/saddles along dorsal fin base; caudal fin base with brown spot; dark spot on pectoral fin base; elongate and filamentous first 4-5 dorsal spines in both sexes; united pelvic fins, well-developed frenum present; long and pointed caudal fin,2.3-2.7 in SL; longitudinal scale series 61-80; ctenoid scales posteriorly, becoming cycloid anteriorly; scales absent on head, midline of nape, prepectoral area and breast; low fleshy ridge on midline of nape; depth of body 5.2-7.0 in SL (Ref. 90102).
Biology:  Inhabits coastal bays and estuaries on muddy substrates, usually in depths over 15 meters on coastal slopes, but shallower in estuaries (Ref. 48637).
IUCN Red List Status: Least Concern (LC); Date assessed: 20 June 2017 Ref. (123251)
Threat to humans:  harmless
Country info:   
 

Entered by: Garilao, Cristina V. - 15.10.03
Modified by: Valdestamon, Roxanne Rei - 24.07.13

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