| Heptapteridae (Three-barbeled catfishes) |
| 11.95 cm SL (male/unsexed) |
|
demersal; freshwater |
| North America: subterranean watercourse in Sistema de La Lucha, Chiapas, Mexico. |
|
Anal soft rays: 13-16; Vertebrae: 43-44. Distinguished from other species of Rhamdia by the combination of the following characters: reduced body pigmentation; eyes rudimentary, covered by skin and not visible externally; head length 24.6-27.1% SL; pectoral-fin length 14.4-17.5% SL; maxillary barbel length 39.2-47.3% SL; caudal-peduncle depth 9.3-12.2% SL; pectoral spine serrated on posterior edge only, anterior edge smooth (Ref. 52912). |
| A troglobitic species (Ref. 52912). |
|
Vulnerable (VU); Date assessed: 05 September 2018 (D2) Ref. (130435)
|
| harmless |
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