Main Ref. | Keith, P., G. Marquet, P. Valade, P. Bosc and E. Vigneux, 2006 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | eel-like |
Cross section | circular |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Body depth 36-51 times the total length (TL) . Head length 10-15 times TL. Dorsal and anal fins continuous with caudal, clearly behind the anus. Distances from snout to dorsal origin, from snout to anal origin and from snout to anus are 75%, 69% and 67% of TL, respectively. Small pectoral fins. 63 pores along the lateral line from head to anus. Adults all brown on the back and lighter on the belly; juveniles have an orange-yellow back and a bluish belly. Specimens in the rivers can reach 47 cm TL (Ref. 57749). |
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 | 105 - 113 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
Spines | |
Soft-rays | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |