Main Ref. | Trewavas, E., 1983 |
Appearance refers to | Male; Female |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | males alike females |
Different colors | males alike females |
Remarks |
Striking features | none |
Body shape lateral | short and / or deep |
Cross section | |
Dorsal head profile | clearly convex |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | terminal |
Type of scales | cycloid scales |
Diagnosis |
Diagnosis: 29-31 total dorsal-fin rays; upper profile of snout strongly arched; head length 31.0-35.0% SL; 30-32 lateral line scales (Ref. 53405). 2 complete rows of scales on cheek (Ref. 2, 53405). Toothed area of lower pharyngeal bone with concave sides; snout and cheek purple; iris orange; nape and upper part of body soiled yellowish; posterior dorsal lappets and upper edge of soft dorsal watery pink; few vague dark spots on soft dorsal and center of caudal; pelvic ending in short white filament (Ref. 2). Description: outer jaw teeth bicuspid, inner jaw teeth tricuspid, posterior pharyngeal teeth bicuspid; micro-gillrakers present; scales cycloid (Ref. 53405). When adult, deep-bodied with a small mouth (Ref. 52307). Coloration: young individuals with 7 distinct cross bars on sides and large round "tilapian" spot bordered anteriorly and posteriorly by light-coloured area; cross bars disappear in adults, but "tilapian" spot remains (Ref. 53405). Snout and cheeks purple, nape and back yellowish (Ref. 52307, 53405), fading to white on lower sides and belly (Ref. 53405). Lower lip, lower jaw, preopercle and throat white; posterior area and distal margin of soft part of dorsal fin pink; some black spots on soft part of dorsal and on centre of caudal fin (Ref. 53405). |
Ease of Identification |
Lateral Lines | 2 Interrupted: No |
Scales on lateral line | 30 - 32 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 3 - 3.5 |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | absent |
Gill rakers | |
on lower limb | 22 - 27 |
on upper limb | 6 - 7 |
total | |
Vertebrae | |
preanal | 16 - 17 |
total |
Attributes | extending over most of the back length |
Fins number | 1 |
Finlets No. | Dorsal 0 |
Ventral 0 | |
Spines total | 16 - 18 |
Soft-rays total | 12 - 13 |
Adipose fin | absent |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 10 - 11 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position thoracic beneath origin of D1 | |
Spines | |
Soft-rays |