Main Ref. | Chernoff, B. and R.R. Miller, 1986 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks | Anterior rays of anal fin longest, forming small lobe in males; posterior margin straight in females. Length of pelvic fins sexually dimorphic, reaching origin of anal fin in males and just beyond anus in females. |
Striking features | none |
Body shape lateral | short and / or deep |
Cross section | compressed |
Dorsal head profile | clearly convex |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | terminal |
Type of scales | |
Diagnosis |
Anal fin-rays usually 8, occasionally 7. Lateral line incomplete with 11 - 34 pored scales and usually extending beyond vertical from insertion of pelvic fins. Head canals often interrupted but supraorbital canal is complete. Infraorbital canal with 11 - 18 pores, extending onto snout. Gill rakers on first arch, 6 - 10, pointed on upper limb, stout and nubby on lower limb. Caudal peduncle of moderate depth and length, ratio of least depth/length 337 - 527. Terminal mouth with a dusky stripe on the snout. Deep body compressed. Pharyngeal teeth 4 - 4 (Ref. 52300). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 33 - 39 |
Pored lateral line scales | 11 - 34 |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | 14 - 16 |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | 6 - 10 |
total | |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 8 - 8 |
Adipose fin |
Attributes | forked; more or less normal |
Fins number | |
Spines total | |
Soft-rays total | 7 - 8 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays 12 - 14 | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines | |
Soft-rays 7 - 8 |