| Ariidae (Sea catfishes), subfamily: Ariinae |
| 59.5 cm SL (male/unsexed) |
|
demersal; freshwater |
| Central America: endemic to the Río Usumacinta basin in Guatemala and Mexico. |
|
Dorsal spines (total): 1-1; Dorsal soft rays (total): 7-7; Anal soft rays: 19-23. Distinguished from other freshwater ariids occurring in Mesoamerica by the following combination of characters: presence of accessory tooth patches on palate; premaxillary tooth band length 2.4-2.9 in its width; ; snout length 1.4-1.8 in postorbital length; lateral gill rakers on first gill arch 17-20 (mode 19); mesial gill rakers on first two gill arches well developed; accessory palatal patches with numerous pointed-conical teeth; premaxillary maxillary barbel not extending behind gill membrane; and dorsomedian fleshy groove on head absent (Ref. 75770). |
| Occurs only in freshwater, preferring the main channel of medium to large rivers (Ref. 75770). |
|
Data deficient (DD); Date assessed: 07 September 2018 Ref. (130435)
|
| traumatogenic |
Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.
