Main Ref. | Iwamoto, T. and A. Williams, 1999 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | |
Different colors | |
Remarks |
Striking features | long whip-like tail |
Body shape lateral | elongated |
Cross section | compressed |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | other (see diagnosis) |
Position of mouth | sub-terminal/inferior |
Type of scales | ctenoid scales |
Diagnosis |
Grooved lateral line present; body scales relatively small, lateral line scales over distance equal to predorsal length 39-50, scale rows between pelvic fin base and operculum 11-12, below midbase of first dorsal fin to anal fin 26-30, below origin of second dorsal fin 6-9; scale covering on gular and branchiostegal membranes extensive; teeth in both jaws relatively small, but with a distinctly enlarged outer series on premaxillary and a slightly enlarged inner series on dentary; total gill rakers on inner series of first arch 9-13, on inner and outer series of second arch 9-12. Snout protruding, angular. |
Ease of Identification | likely to be confused with closely related species. |
Lateral Lines | 1 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 | 2 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 2 - 2 |
Soft-rays total | |
Adipose fin | absent |
Attributes | pointed; confluent |
Fins number | 1 |
Spines total | |
Soft-rays total |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 12 - 18 | |
Pelvics | Attributes more or less normal |
Position thoracic behind origin of D1 | |
Spines 0 | |
Soft-rays 6 - 7 |