Main Ref. | Randall, J.E., G.R. Allen and R.C. Steene, 1990 |
Utseende refererar till | |
Bones in OsteoBase |
specialiserade organ | |
annat utseende | |
andra färger | |
Anmärkningar |
Särskilt slående egenskaper | none |
Lateral kroppsform | short and / or deep |
Tvärsnitt | compressed |
Dorsal profil av huvudet | clearly concave |
Ögontyp | more or less normal |
Typ av mun/snyte | more or less normal |
Munnens placering | terminal |
Type of scales | |
Diagnos |
The ocular band of adult specimens with a series of dark vermiculations (Ref. 1602). Adults (above 20 cm) yellowish silvery or dusky, dark bar through eye and another bar just behind head. Occasionally with a few small, scattered black spots on body. Median fins yellowish, with black margins posteriorly. Pelvic fins black. Small juveniles reddish brown, with irregular black spots and blotches and small, white (black-edged) ocelli on body. Small black spot at base of last 3 dorsal- and anal-fin rays. Caudal fin transparent except for base, which is reddish brown. Body orbicular and strongly compressed, its depth more than twice length of head and 0.9 to 1.4 times SL. Head length 3.4 to 3.8 times SL. Snout profile of large adults (above 40 cm total length) concave, with bony swelling between eyes. Interorbital width 38 to 48% head length. Jaws with bands of slender, flattened, tricuspid teeth, the middle cusp about twice length of lateral cusps. No teeth on palatines or vomer. Five pores on each side of lower jaw. Preopercle smooth. Opercle without spines (Ref 43039). |
Ease of Identification |
Sidolinjer | 1 avbruten: No |
Fjäll längs sidolinje | 44 - 52 |
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 | 10 - 10 |
på övre del av gälbåge | 9 - 9 |
totalt | 19 - 19 |
Ryggkotor | |
preanal | |
totalt |
Egenskaper | no striking attributes |
Antal fenor | 1 |
Antal småfenor | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Totalt antal hårda fenstrålar | 5 - 5 |
Totalt antal mjuka fenstrålar | 34 - 39 |
Fettfena | absent |
Egenskaper | more or less truncate; more or less normal |
Antal fenor | 1 |
Totalt antal hårda fenstrålar | 3 - 3 |
Totalt antal mjuka fenstrålar | 25 - 29 |
Bröstfena | Egenskaper more or less normal |
Fenstrålar hårda 0 | |
Fenstrålar mjuka 16 - 17 | |
Bukfenor | Egenskaper more or less normal |
Position thoracic beneath origin of D1 | |
Fenstrålar hårda | |
Fenstrålar mjuka |