Gnatholepis ophthalmotaenia (Bleeker, 1854)
photo by Patzner, R.

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  5.5 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 12 m
Distribution:  Western Pacific: relatively restricted from the Cocos-Keeling Islands, Philippines, Taiwan, southern Japan, Indonesia, New Guinea, Solomon Islands and Vanuatu.
Diagnosis:  This moderate-sized (up to 55 mm SL) species has a distinctive colour pattern: in males, with 6 broad vertical dark blotchy bars along mid-side of body, several staggered rows of black spots along the dorsal part of the body, 1-4 irregular rows of golden yellow (in life) spots along lower half of body, 2 characteristic small black spots at base of first dorsal fin, and 1-3 staggered rows of oval black ocellate spots on anal fin (in life, red, blue and yellow may surround black spots); in females, with vertical dark body bars much paler and red and yellow markings much less distinct; D2 and anal fin rays nearly always I,11; pectoral rays 15-17 (usually 16); lateral scales 24-30 (usually 26); predorsal scales 9-10 (usually 8-9), ctenoid and cycloid (Ref. 92171).
Biology:  Found in shallow waters, from reef tidepools, among seagrass, in shallow mangroves and (usually) sand and coral rubble reef substrates at depths of 0.2-12 m (Ref. 92171).
IUCN Red List Status: Least Concern (LC); Date assessed: 13 March 2015 Ref. (130435)
Threat to humans:  harmless


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