Hypomasticus Thayeri (Hypomasticus thayeri), first described by Borodin, 1929 is a fish in the family Anostomidae (order Characiformes). It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. On the IUCN Red List, it is classified as Vulnerable.
Physical description for Hypomasticus Thayeri is currently being compiled.
Behavioural data for Hypomasticus Thayeri is currently being reviewed.
Distinct pairs breed on densely grown weedy places .
Freshwater; benthopelagic. Tropical South America: Paraíba do Sul, Doce and Itapemirim rivers in Brazil.
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