| Main Ref. | Bauchot, M.-L., 1987 |
| Utseende refererar till | |
| Bones in OsteoBase |
| specialiserade organ | no special organs |
| annat utseende | always different morphology between mature adults |
| andra färger | males alike females |
| Anmärkningar |
| Särskilt slående egenskaper | striking type of mouth |
| Lateral kroppsform | elongated |
| Tvärsnitt | |
| Dorsal profil av huvudet | more or less straight |
| Ögontyp | more or less normal |
| Typ av mun/snyte | more or less normal |
| Munnens placering | sub-terminal/inferior |
| Type of scales | ganoid scales |
| Diagnos |
Body elongated, pentagonal section (Ref. 51442). Snout moderate with tip narrow and pointed (Ref. 3397), mouth inferior (Ref. 59043). Lower lip not continuous, interrupted at center (Ref. 3397). Four barbels halfway between snout tip and mouth but not reaching the latter (Ref. 3397, Ref. 51442). No scales, but 5 rows of scutes on the body: dorsal 9-16, lateral 24-39 on each side, ventral 9-14 on each side, with dense cross-lines of smaller rhombic plates between the dorsal and lateral rows (Ref. 2196, Ref. 3397, Ref. 40476, Ref. 51442). Dorsal side greenish-brown to blackish with golden tints, flanks light with silvery tints, belly white (Ref. 3397). |
| Ease of Identification |
| Sidolinjer | avbruten: No |
| Fjäll längs sidolinje | 0 - 0 |
| Porbärande fjäll längs sidolinje | |
| Fjäll i lateralserie | |
| Antal rader fjäll ovan sidolinje | 0 - 0 |
| Antal rader fjäll under sidolinje | 0 - 0 |
| Fjäll runt stjärtfensspole | |
| Skäggtömmar | 0 |
| Gälspringor (endast hos hajar/rockor) | |
| Gälräfständer | |
| på undre del av gälbåge | |
| på övre del av gälbåge | |
| totalt | 18 - 25 |
| Ryggkotor | |
| preanal | |
| totalt |
| Egenskaper | no striking attributes |
| Antal fenor | 1 |
| Antal småfenor | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Totalt antal hårda fenstrålar | 0 - 0 |
| Totalt antal mjuka fenstrålar | 30 - 44 |
| Fettfena | absent |
| Egenskaper | heterocercal; more or less normal |
| Antal fenor | 1 |
| Totalt antal hårda fenstrålar | 0 - 0 |
| Totalt antal mjuka fenstrålar | 23 - 30 |
| Bröstfena | Egenskaper more or less normal |
| Fenstrålar hårda 1 | |
| Fenstrålar mjuka 36 - 40 | |
| Bukfenor | Egenskaper more or less normal |
| Position abdominal before origin of D1 | |
| Fenstrålar hårda 0 | |
| Fenstrålar mjuka 26 - 30 |