| Main Ref. | Matallanas, J., C. Corbella and P.R. Møller, 2012 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | eel-like |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Can be diagnosed by the following characters: mouth subterminal; oral valve reaching the anterior edge of vomer; two posterior nasal pores, posterior one smaller; suborbital pores seven (6 + 1); lateral line double with ventral and medio-lateral branches; supraoccipital dividing the posterior end of frontals; basal pectoral plate with one foramen between scapular strut and r1; r2 and r3 notched; single row of palatine teeth; dorsal fin rays 109-112; anal fin rays 89-93; pectoral fin rays 17; vertebrae asymmetrical, 27 + 89-92 = 116-119; gill slit extending ventrally to just lower end of pectoral fin base; two pyloric caeca well developed; pseudobranch filaments 3, elongated. Scales, ventral fins and vomerine teeth present (Ref. 89950). |
| 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 | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |