| Main Ref. | Whitehead, P.J.P., M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.), 1986 |
| Utseende refererar till | |
| Bones in OsteoBase |
| specialiserade organ | no special organs |
| annat utseende | males alike females |
| andra färger | different colors during breeding season only |
| Anmärkningar | Male has a reddish spawning coloration, while female is greyish (Ref. 35388). |
| Särskilt slående egenskaper | none |
| Lateral kroppsform | short and / or deep |
| Tvärsnitt | angular |
| Dorsal profil av huvudet | more or less straight |
| Ögontyp | more or less normal |
| Typ av mun/snyte | more or less normal |
| Munnens placering | superior |
| Type of scales | scales embedded or partly/completely absent |
| Diagnos |
First dorsal fin present but covered by thick layer of skin forming a characteristic high crest with embedded spines. Bony tubercles present, arranged in 3 widely separated rows of large flattened tubercles on each side of body. Gill openings large, extend- extending below level of upper pectoral fin ray. Pyloric present 36-79. Ventral sucking disc formed by the modified pelvic fin (Ref. 232). |
| 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) | absent |
| Gälräfständer | |
| på undre del av gälbåge | |
| på övre del av gälbåge | |
| totalt | |
| Ryggkotor | |
| preanal | |
| totalt | 28 - 29 |
| Egenskaper | other |
| Antal fenor | 2 |
| Antal småfenor | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Totalt antal hårda fenstrålar | 5 - 9 |
| Totalt antal mjuka fenstrålar | 9 - 11 |
| Fettfena | absent |
| Egenskaper | more or less truncate |
| Antal fenor | 1 |
| Totalt antal hårda fenstrålar | 0 - 0 |
| Totalt antal mjuka fenstrålar | 9 - 10 |
| Bröstfena | Egenskaper more or less normal |
| Fenstrålar hårda 0 | |
| Fenstrålar mjuka 20 - 21 | |
| Bukfenor | Egenskaper part of sucker-disc |
| Position | |
| Fenstrålar hårda 0 | |
| Fenstrålar mjuka 0 - 0 |