Main Ref. | Eccles, D.H., 1992 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | oval |
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 | sub-terminal/inferior |
Type of scales | |
Diagnosis |
Description: Dorsal profile of head with a steep slope to first dorsal-fin base (Ref. 3290). Mouth with 3 pairs of barbels, the maxillary pair extending to slightly beyond pectoral-fin base; head shield not very granulated; supraoccipital process longer than broad at base, its hind end nearly straight; median longitudinal groove on head shallow, extending to just behind posterior margin of orbit anteriorly, not reaching supraoccipital process posteriorly; premaxillary band of teeth in upper jaw 5 times as long as broad, mandibulary band of teeth in lower jaw deeply curved and medially interrupted; palate teeth, on roof of mouth, granular, in a single triangular patch on each side, diverging behind, with a conical projection at the anterior end, well separated (Ref. 3290). First dorsal and pectoral fins each with a strong spine; total anal fin rays 19-21 (Ref. 3290). Colouration: Back brownish, sides silvery, belly white (Ref. 3290). |
Ease of Identification |
Lateral Lines | 1 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 | 4 |
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 0 - 0 |
Ventral 0 - 0 | |
Spines total | |
Soft-rays total | |
Adipose fin | present |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 19 - 21 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines | |
Soft-rays |