Main Ref. | Roberts, T.R. and C.J. Ferraris Jr., 1998 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | compressed |
Dorsal head profile | clearly convex |
Type of eyes | more or less normal |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Filamentous extension of dorsal-fin spine in males, reaching to adipose-fin base. Mouth located at level of anterior margin fo orbit. Snout bluntly rounded in lateral profile without notch anteriorly. Upper jaw toothless; lower jaw with single row of teeth. Anal fin with 4-5 simple rays, 12-14 branched rays, posterior 2 rays very close together (Ref. 40780). |
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 | 19 - 20 |
total | 36 - 38 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 1 - 1 |
Soft-rays total | 6 - 6 |
Adipose fin | present |
Attributes | forked; more or less normal |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes more or less normal |
Spines 1 | |
Soft-rays 8 - 8 | |
Pelvics | Attributes more or less normal |
Position abdominal behind origin of D1 | |
Spines | |
Soft-rays |