| Family: |
Trichomycteridae (Pencil or parasitic catfishes), subfamily: Trichomycterinae |
| Max. size: |
11.68 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater; depth range - 0 m |
| Distribution: |
South America: Rio Doce basin in Brazil. |
| Diagnosis: |
Dorsal soft rays (total): 8-9; Anal soft rays: 6-7. Distinguished by the following characters: pectoral fins with six branched rays; pectoral-fin ray prolonged as a filament; presence of pelvic fins; tip of nasal barbels extending to posterior border of opercular plate of odontodes; presence of a large foramen for ramus lateralis accessorius facialis, visible in dorsal view, in the parietosupraoccipital bone; transverse and straight border between the parietosupraoccipital and frontal bones; body covered with spots that seldom attain eye diameter; pelvic-fin origin placed one or two ocular diameters anterior to dorsal-fin origin; absence of spots fused as elongated marks on dorsum or flank (Ref. 90333).
Description: dorsal-fin rays i+7, ii+7 or ii+6; anal-fin rays i+5 or ii+5; pectoral-fin rays i+6; pelvic-fin rays i+4 (Ref. 90333). |
| Biology: |
Occurs in streams with depth and temperature varying from 13 to 44 cm and from 14 to 19°C. Preys on tadpoles of Scinax gr. catharinae under laboratory conditions (Ref. 90333). |
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 07 November 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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