| Main Ref. | Loureiro, M. and A. Silva, 2006 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | cycloid scales |
| Diagnosis |
Can be differentiated from all congeners by the following combination of characters: pigmentation pattern of body consisting of scattered dark brown pigmentation over a brown background, more dense on the dorsal half of the body; epidermal laterosensory canals pigmented; head depth 61.8-76.4% of HL; caudal filament length 6.5-16.6% of ; 55-190 anal-fin rays; fourth supraorbital pore dorsal and half-way between posterior nares and anterior margin of orbit; upper jaw slightly longer than lower jaw; a cartilaginous mesocoracoid; slender anterodorsal process of the maxilla; all branchiostegal rays of equal size, none hook-like (Ref. 75964). Description: Dorsal, pelvic and caudal fins absent (Ref. 75964). |
| 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 | 16 - 21 |
| total |
| Attributes | greatly reduced or absent |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | other (see remark) |
| Fins number | |
| Spines total | |
| Soft-rays total | 155 - 190 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 15 - 17 | |
| Pelvics | Attributes |
| Position absent | |
| Spines | |
| Soft-rays |