Main Ref. | Stehmann, M. and D.L. Bürkel, 1984 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | claspers (m) |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | other |
Cross section | flattened |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | sub-terminal/inferior |
Type of scales | placoid scales |
Diagnosis |
Upper surface wholly prickly, underside almost entirely prickly; orbital thorns separate, a regular row of 21-25 large thorns from nape to first dorsal fin; upper surface dark brown with a constant pattern of irregular light spots forming broad undulating transverse bands with narrower unspotted bands between, underside white, but grey on snout and broad dark margin to disc from behind midpoint of anterior margin, also blackish at tip of tail (Ref. 3167). |
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) | 5present |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | |
Adipose fin | absent |
Attributes |
Fins number | |
Spines total | 0 - 0 |
Soft-rays total | 0 - 0 |
Pectoral | Attributes transformed to 'aerofoils' |
Spines 0 | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines 0 | |
Soft-rays |