Main Ref. | Bauchot, M.-L., 2003 |
Utseende refererar till | |
Bones in OsteoBase |
specialiserade organ | |
annat utseende | |
andra färger | |
Anmärkningar |
Särskilt slående egenskaper | |
Lateral kroppsform | fusiform / normal |
Tvärsnitt | |
Dorsal profil av huvudet | |
Ögontyp | |
Typ av mun/snyte | |
Munnens placering | |
Type of scales | |
Diagnos |
Diagnosis: body elongate, moderately deep and compressed; dorsal profile of head almost straight, ending in a pointed snout; eyes relatively small; upper jaw slender and rounded posteriorly, ending below or beyond posterior eye margin; 2 dorsal fins, 1st with 7 spines with only their bases connected by a membrane, 2nd with 1 spine and 19-21 soft rays; anal fin with 2 detached spines followed by 1 spine and 17-21 soft rays; pectoral fins short, comprised 1.5-1.8 times in head length; scales small, those on breast oval to strongly lanceolate, and partially embedded in the skin; lateral line very irregular and wavy, describing a convex curve over, and a concave curve behind pectoral fins; no lateral-line scutes (Ref. 57392). Brown above, silvery white below lateral line; lobes of dorsal and anal fins black distally; juveniles (to at least 12 cm fork length) with brownish black bars on sides (Ref. 3197, 57392). |
Ease of Identification |
Sidolinjer | avbruten: No |
Fjäll längs sidolinje | |
Porbärande fjäll längs sidolinje | |
Fjäll i lateralserie | |
Antal rader fjäll ovan sidolinje | |
Antal rader fjäll under sidolinje | |
Fjäll runt stjärtfensspole | |
Skäggtömmar | 0 |
Gälspringor (endast hos hajar/rockor) | |
Gälräfständer | |
på undre del av gälbåge | 7 - 11 |
på övre del av gälbåge | 2 - 5 |
totalt | 9 - 16 |
Ryggkotor | |
preanal | |
totalt |
Egenskaper | |
Antal fenor | 2 |
Antal småfenor | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Totalt antal hårda fenstrålar | 8 - 8 |
Totalt antal mjuka fenstrålar | 19 - 21 |
Fettfena | absent |
Egenskaper | forked; more or less normal |
Antal fenor | 2 |
Totalt antal hårda fenstrålar | 3 - 3 |
Totalt antal mjuka fenstrålar | 17 - 21 |
Bröstfena | Egenskaper more or less normal |
Fenstrålar hårda | |
Fenstrålar mjuka | |
Bukfenor | Egenskaper more or less normal |
Position thoracic before origin of D1 | |
Fenstrålar hårda | |
Fenstrålar mjuka |