Main Ref. | Skelton, P.H., 2001 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks | Females grow larger than males (Ref. 51405). |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | sub-terminal/inferior |
Type of scales | |
Diagnosis |
Description: Body narrow and slender, caudal peduncle longer than deep (Ref. 52193). Head depressed, short, 4.75-5 times in standard length, 1.1-1.3 times distance between head and dorsal fin; narrow, head width less than head length; eyes small, dorsal; mouth subterminal, 3 pairs of barbels, maxillaries reach pectoral base (Ref. 52193). Dorsal fin with 1 unbranched and 6 branched rays; anal fin with 3 unbranched and 5-6 branched rays; adipose fin short with a notch behind in KwaZulu-Natal populations, or long, low and confluent behind in Mpumalanga and Zimbabwe populations; caudal fin forked (Ref. 52193). Colouration: Colour variable, usually spotted or mottled brown, sometimes dark brown, nearly black (Ref. 52193). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 0 - 0 |
Soft-rays total | 7 - 7 |
Adipose fin | present |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 8 - 9 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal behind origin of D1 | |
Spines | |
Soft-rays |