Main Ref. | Bigelow, H.B., M.G. Bradbury, J.R. Dymond, J.R. Greeley, S.F. Hildebrand, G.W. Mead, R.R. Miller, L.R. Rivas, W.L. Schroeder, R.D. Suttkus and V.D. Vladykov, 1963 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | striking type of mouth |
Body shape lateral | elongated |
Cross section | circular |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | clearly protrusible |
Position of mouth | terminal |
Type of scales | ganoid scales |
Diagnosis |
Long narrow snout. Olivaceous brown above and white below. Dark spots on median fins and on body (Ref. 37032). Scales ganoid: thin bony scutes on leading edges of unpaired fins, and on both edges of caudal fin (Ref. 4639). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 57 - 65 |
Pored lateral line scales | |
Scales in lateral series | 31 - 35 |
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 | 14 - 31 |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | 6 - 9 |
Adipose fin | absent |
Attributes | heterocercal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 8 - 10 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 10 - 13 | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines 0 | |
Soft-rays 6 - 6 |