Hypsolebias Nudiorbitatus (Hypsolebias nudiorbitatus) is a ray-finned fish of the family Rivulidae. It inhabits freshwater waters. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
Belongs to the Hypsolebias antenori species group, differing from all congeners of this group by having a rudimentary squamation on the supra-orbital region, a unique color pattern on the caudal fin in males consisting of white dots arranged in transverse rows, 14 scale rows around the caudal peduncle, the dorsal fin slightly more posteriorly placed in males and the basihyal bone narrow .
Behavioural data for Hypsolebias Nudiorbitatus is currently being reviewed.
Diet information for Hypsolebias Nudiorbitatus is currently being compiled.
Reproduction data for Hypsolebias Nudiorbitatus is currently being compiled.
Freshwater; benthopelagic. Tropical South America: Upper Itapicuru River basin in northeastern Brazil.
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