Facultative air-breathing in the genus ; A rheophilic species, inhabiting largest part of freshwaters, from headwaters to upstream of the lower falls, with rocky substrate consisting of boulders, stones, gravels, and sand; the exposed wet rocks are also often covered by the Podostemaceae Mourera fluviatilis and Apinagia richardiana .
Physical description for Hypostomus Nematopterus is currently being compiled.
Behavioural data for Hypostomus Nematopterus is currently being reviewed.
Freshwater; demersal. Tropical South America: Oyapock River basin.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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