Main Ref. | Scott, W.B. and E.J. Crossman, 1973 |
Utseende refererar till | |
Bones in OsteoBase |
specialiserade organ | |
annat utseende | different morphology during breeding season only |
andra färger | |
Anmärkningar |
Särskilt slående egenskaper | none |
Lateral kroppsform | fusiform / normal |
Tvärsnitt | compressed |
Dorsal profil av huvudet | |
Ögontyp | |
Typ av mun/snyte | |
Munnens placering | |
Type of scales | |
Diagnos |
Distinguished by the lack of distinct black spots on the back and tail and by the presence of 18 to 28 short, stout, smooth gill rakers on the first arch (Ref. 27547). Pelvic fins with axillary process; caudal truncate to slightly emarginate (Ref. 27547). Large individuals are steel-blue dorsally, with speckles of black; silver on the sides; silvery to white ventrally. Males have tinges of black on the tips of its caudal, anal and pectoral fins. Spawning males are dark olive to black dorsally; grey-red with green vertical bars on the sides; dark grey ventrally; anal and pelvic fins with white tips. Spawning females resemble spawning males but less distinctly marked. |
Ease of Identification |
Sidolinjer | avbruten: No |
Fjäll längs sidolinje | |
Porbärande fjäll längs sidolinje | 124 - 153 |
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 | |
på övre del av gälbåge | |
totalt | 16 - 28 |
Ryggkotor | |
preanal | |
totalt | 59 - 71 |
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 | 10 - 14 |
Fettfena | present |
Egenskaper | more or less truncate; more or less normal |
Antal fenor | 1 |
Totalt antal hårda fenstrålar | 0 - 0 |
Totalt antal mjuka fenstrålar | 13 - 17 |
Bröstfena | Egenskaper more or less normal |
Fenstrålar hårda 0 | |
Fenstrålar mjuka 14 - 16 | |
Bukfenor | Egenskaper more or less normal |
Position abdominal beneath origin of D1 | |
Fenstrålar hårda 0 | |
Fenstrålar mjuka 10 - 11 |