Forktail pygmygoby (Trimma hoesei) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 2.4 cm. It occurs at depths between 15 and 50 metres. It is assessed as Least Concern on the IUCN Red List.
Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 9 - 11. Characterized by semi-translucent upper half of body, pinkish on lower half; most body scales with vertical yellow streak on caudal and bands/stripes on dorsal and anal; elongate second and third dorsal spine; branched 9-10 pectoral rays; fifth pelvic ray branched, about equal to length of fourth ray; forked caudal fin; longitudinal scale series 23-26; predorsal scales 2-5; cheek and opercle without scales; depth of body 4.5-4.8 in SL .: fusiform / normal; Cross section: compressed.
Behavioural data for Forktail pygmygoby is currently being reviewed.
Marine; reef-associated; depth range 15 - 50 m . Tropical east to Fiji, south to Australia.
The following diseases are known to affect Forktail pygmygoby.
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