Facultative air-breathing in the genus; It is found in rivers with marginal or submerged vegetation .
Physical description for Hisonotus Pachysarkos is currently being compiled.
Behavioural data for Hisonotus Pachysarkos is currently being reviewed.
Freshwater; benthopelagic. Tropical South America: Brazil.
The following diseases are known to affect Hisonotus Pachysarkos.
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