Main Ref. | Reis, R.E. and A.R. Cardoso, 2001 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | flattened |
Dorsal head profile | more or less straight |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Abdomen almost completely naked, except for a single posterior complex of plates consisting of a well-developed preanal plate, usually bordered by 3 polygonal plates. These plates are connected to the thoracic plates by 1 or 2 small squarish platelets facing the base of the pelvic-fin spine. Tip of snout with a globular protuberance of naked skin. Pectoral fins reaching slightly beyond the origin of pelvic fins. |
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 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 1 - 1 |
Soft-rays total | 7 - 7 |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
Spines 1 | |
Soft-rays 6 - 6 | |
Pelvics | Attributes |
Position | |
Spines 1 | |
Soft-rays 5 - 5 |