Neostethus Thessa (Neostethus thessa) is a ray-finned fish of the family Phallostethidae. It inhabits freshwater waters. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List.
: elongated.
Behavioural data for Neostethus Thessa is currently being reviewed.
Diet information for Neostethus Thessa is currently being compiled.
Pelvic fins in males are modified to form part of a complex thoracic clasping organ .
Freshwater; brackish; benthopelagic. Tropical
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