Main Ref. | Skelton, P.H., 2001 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Description: Mouth subterminal, variation in mouth-shape, including chisel-mouthed forms; lips extremely variable; 2 pairs of barbels; males and females develop small tubercles on top and side of head and on anal fin rays (Ref. 52193, 75045).Dorsal fin with 4 spines and 8-10 soft rays; anal fin with 3 unbranched and 5 branched rays; no ossified last simple dorsal-fin ray, flexible and height extremely variable, even within one population; dorsal fin in front of origin of pelvic fins (Ref. 52193, 75045). Scales large; scales in lateral line 27-33, 12 around caudal peduncle (Ref. 52193). Colouration: Colour varies with water clarity from pale olive to bright golden brown (Ref. 52193). Juveniles silvery with dark blotches (Ref. 52193). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | 27 - 33 |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | 12 - 12 |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 9 - 14 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 4 - 4 |
Soft-rays total | 8 - 10 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 8 - 8 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal behind origin of D1 | |
Spines | |
Soft-rays |