Main Ref. | Robins, C.R., R.H. Robins and M.E. Brown, 2012 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Rostral spine long and curved, reaching tip of snout, without vertical basal component; peritoneum pale; no median basibranchial tooth patch; head extensively covered with imbricate rows of cycloid scales except for snout and throat; body tapering to point, dagger-shaped (Ref. 34024). Body dark gray or brownish gray without blotches; dorsal and anal fins dark, becoming gradually darker at the extreme blackish edge; pelvic fin blackish in anterior half and pale in posterior half; gill arch blackish or brownish; head covered with scales except for snout, lips, and branchiostegal membrane (Ref. 13608). |
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 | 6 - 8 |
on upper limb | 3 - 3 |
total | |
Vertebrae | |
preanal | 14 - 16 |
total | 69 - 74 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 0 - 0 |
Soft-rays total | 120 - 134 |
Adipose fin |
Attributes |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 99 - 110 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 20 - 23 | |
Pelvics | Attributes |
Position | |
Spines 0 | |
Soft-rays 2 - 2 |