| Ref. principal | Lévêque, C., 2003 |
| El aspecto se refiere a | |
| Bones in OsteoBase |
| órganos especializados | no special organs |
| diverso aspecto | males alike females |
| diversos colores | males alike females |
| Observaciones |
| CaracterÃsticas llamativas | striking type of mouth |
| Forma lateral del cuerpo (shape guide) | fusiform / normal |
| Sección transversal | compressed |
| Perfil dorsal de la cabeza | more or less straight |
| Tipo de ojos | more or less normal |
| Tipo de boca/hocico | more or less normal |
| Posición de la boca | sub-terminal/inferior |
| Tipo de escalas | cycloid scales |
| Diagnosis |
Diagnosis: last simple ray more or less ossified at base (no strong spine), but always shorter than head; ossified part 50-70% head length; lower lip well developed, forming a generally well visible mental lobe, sometimes rubber-lipped; 9-10 dorsal fin branched rays; scale formula 4.5/24-27/4.5; 2.5 scales between lateral line and pelvic-fin base; 12 scales around caudal peduncle; 4-5/14-17 gill rakers on first gill arch (Ref. 2940, 81282). Description: large species; fairly deep body; subterminal mouth; well developed lips forming rounded, sometimes hypertrophic, mental disk; 2 pairs of moderately developed barbels; distal margin dorsal fin concave; longest dorsal-fin ray is first branched ray; D:IV,9-10; A:III,5-6; P:I,15-17; V:I,8 (Ref. 2940, 81282). Coloration: body light brown in preserved specimens (Ref. 2940, 81282). |
| Facilidad de identificación |
| LÃneas laterales | 1 interrumpido: No |
| Escalas en la lÃnea lateral | 24 - 27 |
| Escalas de la lÃnea lateral con poros | |
| Escalas en las series laterales | |
| Filas de escalas sobre la lÃnea lateral | 4 - 5 |
| Filas de escalas debajo de la lÃnea lateral | 4 - 5 |
| Escalas alrededor del peduncule caudal | 12 - 12 |
| Barbillas | 4 |
| Hendiduras branquiales (solamente tiburones/rayas) | |
| Branquispinas | |
| en el miembro inferior | 4 - 5 |
| en el miembro superior | 14 - 17 |
| total | |
| Vértebra | |
| preanal | |
| total |
| Cualidades | no striking attributes |
| Número de las aletas | 1 |
| número de pÃnnulas | Dorsal |
| Ventral | |
| total de espinas | |
| Total de rayos suaves | 13 - 14 |
| Aleta adiposa | absent |
| Cualidades | forked; more or less normal |
| Número de las aletas | 1 |
| total de espinas | |
| Total de rayos suaves | 8 - 9 |
| Pectoral | Cualidades more or less normal |
| espinas | |
| Rayos-suaves 16 - 18 | |
| Pélvicas | Cualidades more or less normal |
| posición abdominal beneath origin of D1 | |
| espinas | |
| Rayos-suaves 9 - 9 |