| Family: |
Trichomycteridae (Pencil or parasitic catfishes), subfamily: Trichomycterinae |
| Max. size: |
22.5 cm TL (male/unsexed) |
| Environment: |
demersal; freshwater; depth range - 0 m |
| Distribution: |
South America: Rio Paranapanema basin in southeastern Brazil. |
| Diagnosis: |
Vertebrae: 41-41. Distinguished from all other species of Trichomycterus, except for T. castroi, in having a conspicuous, vertical unpigmented band across the proximal region of caudal fin. Can be further differentiated from T. castroi in possessing that band occupying about 30% or less than the length of the caudal fin, and being more evident in the dorsal lobe as a white ocellus (vs. that zone distinctly broader, with approximately 80% of the length of the caudal fin and better defined as a whole) (Ref. 55400).
Description: Dorsal fin iii,II,7. Anal fin iii,II,5 (Ref. 55400). |
| Biology: |
A rheophilic species occurring solely in riffle areas of streams (Ref. 55400). Feeds mainly on young benthic aquatic insects during the day (Ref. 55400). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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