Main Ref. | Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | eel-like |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Eel-like, moderate to relatively deep body depth; a large single vomerine fang; pelvic fin rays present; swim bladder large, filling visceral cavity and extending past anus; dorsal and anal fin radials robust and elongate; dorsal fin anteriad or directly over anal fin origin; lacking rockerbone, cardiform teeth, and intrinsic swim bladder constrictions or tunic ridges (Ref. 34024). Margins of dorsal and anal fins edged in black over entire length; head and body generally unpigmented (Ref. 34024). |
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 | 3 - 3 |
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 0 | |
Soft-rays 21 - 25 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |