| Main Ref. | Stewart, A.L. and T.W. Pietsch, 1998 |
| 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 |
Characterized by having escal morphology: escal bulb with small rounded, anteriorly to anteroventrally directed papilla on anterior midline, continuous internally with slightly larger posteriorly to posterodorsally directed papilla on dorsal midline; compressed posterior appendage sigmoidal in shape and usually twice as long as escal bulb; darkly pigmented swollen basal part of posterior appendage in specimens 84mm and larger; presence of filaments on posterior appendage, pigmented in specimens 84 mm and larger; dorsal fin rays 5-8; anal fin rays 4-6; pectoral fin rays 17-22 (Ref. 86949). |
| 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 | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 5 - 8 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 4 - 6 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 17 - 22 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |