| Main Ref. | Duplain, R.R., F. Chapleau and T.A. Munroe, 2012 |
| 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 | ctenoid scales |
| Diagnosis |
Diagnosed from all congeners by the following characters: ocular-side lower lip with short fimbriae with one or two branches; 57-63 dorsal-fin rays; 43-46 anal-fin rays; 5 pelvic-fin rays; body depth in SL 51.1-55.0%; brownish ocular side with irregular paler or darker patches; 8 or fewer, faintly pigmented, transverse chromatophore lines on the ocular-side of the body; absence of cirri on the scaleless area surrounding the ocular-side anterior naris; not numerous long fleshy tentacles on the blind side of the head (vs. numerous in Trinectes paulistanus ); and absence of rays in the ocular-side pectoral fin (Ref. 91752). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 58 - 64 |
| 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 | 29 - 30 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 57 - 63 |
| Adipose fin | absent |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 43 - 46 |
| Pectoral | Attributes absent |
| Spines 0 | |
| Soft-rays 0 - 0 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 5 - 5 |