| Réf. principale | Eccles, D.H., 1992 |
| Ressemble Ă | |
| Bones in OsteoBase |
| Organes spécialisés | |
| Apparence différente | |
| Couleurs différentes | |
| Remarques |
| Éléments remarquables | none |
| Profil du corps (shape guide) | fusiform / normal |
| Section transverse | oval |
| Profil dorsal de la tĂŞte | more or less straight |
| Type d'yeux | more or less normal |
| Type de bouche/museau | more or less normal |
| Position de la bouche | sub-terminal/inferior |
| Type d'échelle | |
| Diagnose |
Description: Dorsal profile of head with a steep slope to first dorsal-fin base (Ref. 3290). Mouth with 3 pairs of barbels, the maxillary pair extending to slightly beyond pectoral-fin base; head shield not very granulated; supraoccipital process longer than broad at base, its hind end nearly straight; median longitudinal groove on head shallow, extending to just behind posterior margin of orbit anteriorly, not reaching supraoccipital process posteriorly; premaxillary band of teeth in upper jaw 5 times as long as broad, mandibulary band of teeth in lower jaw deeply curved and medially interrupted; palate teeth, on roof of mouth, granular, in a single triangular patch on each side, diverging behind, with a conical projection at the anterior end, well separated (Ref. 3290). First dorsal and pectoral fins each with a strong spine; total anal fin rays 19-21 (Ref. 3290). Colouration: Back brownish, sides silvery, belly white (Ref. 3290). |
| Facilité d'identification |
| Lignes latérales | 1 Interrompu(e)(s): No |
| Écailles sur la ligne latérale | |
| Écailles perforées de la ligne latérale | |
| Écailles en série latérale | |
| Rangées d'écailles au-dessus de la ligne latérale | |
| Rangées d'écailles au-dessus de la ligne latérale | |
| Écailles autour du pédoncule caudal | |
| Barbillons | 4 |
| Fentes branchiales (requins et raies uniquement) | |
| Branchiospines | |
| sur le membre inférieur | |
| sur le membre supérieur | |
| Total | |
| Vertèbres | |
| préanal(e) | |
| Total |
| Attributs | no striking attributes |
| Nombre de nageoires | 1 |
| Nombre de pinnules | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Total d'épines | |
| Total de rayons mous | |
| Nageoire adipeuse | present |
| Attributs | forked; more or less normal |
| Nombre de nageoires | 1 |
| Total d'épines | 0 - 0 |
| Total de rayons mous | 19 - 21 |
| Pectorale(s) | Attributs more or less normal |
| Épines | |
| Rayons mous | |
| Pelvienne(s) | Attributs more or less normal |
| position thoracic before origin of D1 | |
| Épines | |
| Rayons mous |