Filamentous flounder (Arnoglossus nigrofilamentosus) is a ray-finned fish of the family Bothidae. It inhabits brackish water waters in pelagic environments. This species can reach a maximum total length of 9.7 cm. It occurs at depths between 20 and 40 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
Physical description for Filamentous flounder is currently being compiled.
Behavioural data for Filamentous flounder is currently being reviewed.
Brackish; pelagic-neritic; depth range 20 - 40 m . Subtropical
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