Obligate air-breathing ; Collected in lakes or lake channels within dense marginal or floating vegetation, sometimes in hypoxic conditions .
Diagnosis: Lower lip with short, rounded projections lateral to the medial notch. Caudal peduncle is comparatively shallow (15.2-17.7% SL). Dorsal fin with 2 unbranched and 6 branched rays. Head depth small 19.9-21.8% SL; short first dorsal-fin ray 13.7-17.5% SL; maxillary barbels reaching lower lateral series plate 13-15 .
Behavioural data for Ucamara catfish is currently being reviewed.
Freshwater; benthopelagic. Tropical South America: Peru and Brazil; very likely ot occur at the intermediate whitewater floodplain localities along much of the upper Amazon.
The following diseases are known to affect Ucamara catfish.
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