Taratretis derwentensis Last, 1978
Derwent flounder
photo by CSIRO

Family:  Rhombosoleidae (South Pacific flounders)
Max. size:  12 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 3 - 50 m
Distribution:  Southwest Pacific: from Bermagui, New South Wales to western side of Spencer Gulf, South Australia and Tasmania.
Diagnosis:  Dorsal soft rays (total): 69-80; Anal soft rays: 50-59. Body deep (42-51% SL). Snout not distinctly extended. Mouth small, oblique. Scales very small, rather firmly attached; ctenoid on both sides, covering all of head. Pectoral fin rays on right side 8-11, left 7-9. Caudal fin rays 14-16 (Ref. 33839).
Biology:  Found in coastal waters (Ref. 9563).
IUCN Red List Status: Data deficient (DD); Date assessed: 08 December 2020 Ref. (130435)
Threat to humans:  harmless


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