Redigobius nanus Larson, 2010
photo by Wilson, D.

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  2.22 cm SL (male/unsexed)
Environment:  demersal; freshwater; brackish
Distribution:  Oceania: Northern Australia and New Guinea.
Diagnosis:  Dorsal soft rays (total): 7-7; Anal spines: 1-1; Anal soft rays: 6-6. Distinguished by the following characteristics: small, less than 3 cm SL when adult; indistinct lateral dark speckling and dorsal saddles; scale margins narrowly outlined with dark brown; bright pale blue flecks and spots over brown markings on head, body and fins; first dorsal fin pointed, first spine elongate and pale-coloured in males; first or second spine longest in females but never elongate; second dorsal rays I,7; anal rays I,6; pectoral rays 16-17; longitudinal scales 20-25; TRB 7-10; predorsal scales 6-10; circumpeduncular scales 12 (Ref. 84480).
Biology:  Found in mangroves, among rock and mangroves or in muddy of sandy-muddy estuarine habitats (Ref. 84480).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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