Main Ref. | |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | compressed |
Dorsal head profile | clearly convex |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | sub-terminal/inferior |
Type of scales | |
Diagnosis |
Dorsal fin typically with 8 branched rays. Anal fin with 3-4 simple rays, 9-11 branched rays. Snout moderately projecting; anterior naris origin close to snout tip (distance between anterior naris and snout tip less than eye diameter). Nasal barbel reaching at least to end of head, sometimes reaching dorsal-fin origin; maxillary barbel reaching past to adipose-fin origin; maxillary barbel membrane small, with narrow attachment to cheek only; maxillary bone long, reaching posteriorly to end of head. Vent and genital papillae near middle of pelvic fins (Ref. 40780). |
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 | 7 - 9 |
Vertebrae | |
preanal | 19 - 20 |
total | 35 - 37 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 1 - 1 |
Soft-rays total | 7 - 9 |
Adipose fin | present |
Attributes | forked; more or less normal |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes more or less normal |
Spines 1 | |
Soft-rays 8 - 9 | |
Pelvics | Attributes more or less normal |
Position abdominal behind origin of D1 | |
Spines | |
Soft-rays |