| Family: |
Heptapteridae (Three-barbeled catfishes) |
| Max. size: |
8.05 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater |
| Distribution: |
South America: Brazil. |
| Diagnosis: |
This species is distinguished in having smaller eyes (eyeball diameter 19-21.3% HL) and possessing fainter coloration with reduced lateral dark band as compared to its congeners; pectoral fin with 10 branched rays; weakly developed serrae in the posterior margin of the dorsal-fin spine (vs. well developed in P. laurentii); and, lacking the dorsal dark stripe along dorsal and anterior adipose fins (vs. presence in P. avanhandavae (Ref. 55501). |
| Biology: |
Collected mainly in soft-bottomed pools with very slow current, averaging 1.5 m deep, 5 m above the mainstream level. Individuals were observed calmly swimming near the bottom, in the midwater and near the surface. Elusive fishes and apparently photophobic (Ref. 55501). |
| IUCN Red List Status: |
Critically Endangered (CR); Date assessed: 07 November 2018 (B2ab(iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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