| Main Ref. | Myers, R.F., 1989 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | eel-like |
| Cross section | circular |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Description: Characterized by greyish brown color, shading to whitish on ventral head and belly; depth of body at gill opening 15-22 in TL; origin of dorsal fin above gill opening; anus anterior to middle of body; small jaw teeth, villiform in 2-3 rows anteriorly, tapering to single row at rear of jaw; several rows of intermaxillary teeth anteriorly, tapering to single row posteriorly (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 38 - 42 |
| 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 | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 0 - 0 |
| Soft-rays total | 146 - 178 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | 0 - 0 |
| Soft-rays total | 119 - 135 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 14 - 14 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |