Main Ref. | Teugels, G.G. and D.F.E. Thys van den Audenaerde, 2003 |
Utseende refererar till | |
Bones in OsteoBase |
specialiserade organ | |
annat utseende | |
andra färger | |
Anmärkningar |
Särskilt slående egenskaper | |
Lateral kroppsform | elongated |
Tvärsnitt | |
Dorsal profil av huvudet | |
Ögontyp | |
Typ av mun/snyte | |
Munnens placering | |
Type of scales | |
Diagnos |
Description: body slender (Ref. 52307), elongate, its depth 24.0-25.8% SL and head length 30.3-32.3% SL (Ref. 53405). Outer jaw teeth bicuspid; upper jaw with 3 inner rows of tricuspid teeth, lower jaw with a single row of conical, sometimes tricuspid teeth; lower pharyngeal bone with conical teeth (Ref. 53405). Upper jaw overlapping; opercle squamate (Ref. 52307). Coloration: ground colour greenish-grey, blackish green on back, lighter on belly and underside of head; 7 irregular, darker greyish green cross-bars on sides and dark band between mouth and eye; "tilapian" mark present at base of soft part of dorsal fin; distal margin of dorsal fin with black spots between spinous rays; gill cover with black blotch (Ref. 53405). Body coloration may be nearly black especially in aggressive or dominant specimens; lower lip blue; dorsal fin with white seam, usually better developed in females; some males with a reddish or green-yellowish coloration in unpaired fins; 2 longitudinal stripes sometimes visible (Ref. 52307). |
Ease of Identification |
Sidolinjer | 2 avbruten: No |
Fjäll längs sidolinje | 31 - 34 |
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 | 8 - 10 |
på övre del av gälbåge | |
totalt | |
Ryggkotor | |
preanal | |
totalt |
Egenskaper | extending over most of the back length |
Antal fenor | 1 |
Antal småfenor | Dorsal 0 |
Ventral 0 | |
Totalt antal hårda fenstrålar | 20 - 21 |
Totalt antal mjuka fenstrålar | 8 - 10 |
Fettfena | absent |
Egenskaper |
Antal fenor | 1 |
Totalt antal hårda fenstrålar | 3 - 3 |
Totalt antal mjuka fenstrålar | 6 - 8 |
Bröstfena | Egenskaper |
Fenstrålar hårda | |
Fenstrålar mjuka | |
Bukfenor | Egenskaper |
Position | |
Fenstrålar hårda | |
Fenstrålar mjuka |