| Family: |
Ictaluridae (North American freshwater catfishes) |
| Max. size: |
4.52 cm SL (female) |
| Environment: |
demersal; freshwater |
| Distribution: |
North America: Tamesà River drainage, northeastern México. |
| Diagnosis: |
Dorsal soft rays (total): -7; Anal soft rays: -16; Vertebrae: -37. Endopterygoid present; principal caudal fin rays 8+9; hypural fusion pattern of caudal fin PH;1+2;3+4+5. Branchiostegal rays 8; gill rakers 17; swim bladder reduced or absent; emarginate to weakly forked caudal fin; deeply notched adipose fin; head length 25.4% of SL; pelvic fin length 12.4% of SL. |
| Biology: |
Cave-restricted species. |
| IUCN Red List Status: |
Vulnerable (VU); Date assessed: 06 December 2018 (D2) Ref. (130435)
|
| Threat to humans: |
harmless |
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