| Ictaluridae (North American freshwater catfishes) |
| 4.52 cm SL (female) |
|
demersal; freshwater |
| North America: Tamesí River drainage, northeastern México. |
|
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. |
| Cave-restricted species. |
|
Vulnerable (VU); Date assessed: 06 December 2018 (D2) Ref. (130435)
|
| harmless |
|
Type locality: Subsurface thermal spring, Nacimiento de San Rafael de Los Castros, R. Tamesí drainage, Tamaulipas state.
Status of threat: endangered. Criteria: 1 (http://fisc.er.usgs.gov/afs/) (Ref. 81264). |
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