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 | compressed |
Dorsal head profile | more or less straight |
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: upper profile of snout straight or slightly arched; head length 32.5-39.0% SL; 27-30 total dorsal-fin rays (average 28-29); body depth 39.5-48.5% SL; length of pectoral fins over 43% SL; interorbital space 32.0-38.0% HL (Ref. 53405). Description: outer jaw teeth bicuspid, inner jaw teeth tricuspid, posterior teeth on pharyngeal jaw bicuspid; micro-gillrakers present; scales cycloid (Ref. 53405). Coloration: in life: Adults: sides and fins light silvery-grey (unlike other cichlids occurring in the same water basins); belly white (Ref. 53405). Young individuals: silvery, with some narrow black cross bars on sides; fins greyish, upper margin of dorsal fin red-edged (Ref. 53405). |
Ease of Identification |
Lateral Lines | 2 Interrupted: No |
Scales on lateral line | 28 - 31 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | absent |
Gill rakers | |
on lower limb | 20 - 25 |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total | 27 - 29 |
Attributes | extending over most of the back length |
Fins number | 1 |
Finlets No. | Dorsal 0 |
Ventral 0 | |
Spines total | 14 - 16 |
Soft-rays total | 11 - 14 |
Adipose fin | absent |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 9 - 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 |