| Main Ref. | Moura, R.L. and R.M.C. Castro, 2002 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Absence of dark stripe extending anteriorly from the ventral caudal fin margin onto the caudal peduncle or flank; presence of a horizontal dark stripe extending from the dorsal caudal fin margin anteriorly to the pectoral fin base; absence of a conspicuous (larger than eye) spot slightly ahead and below dorsal fin base; absence of bars on the caudal fin (Ref. 43205). |
| 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 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 9 - 10 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 14 - 16 | |
| Pelvics | Attributes suppressed/absent |
| Position | |
| Spines 0 | |
| Soft-rays 0 - 0 |