Main Ref. | Fricke, R., 1994 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | always different morphology between mature adults |
Different colors | always different colors between mature adults |
Remarks | Males have a more slender body, a slightly higher first dorsal fin, a slightly longer pectoral fin, and a more intensive colouration of the vertical fins. |
Striking features | striking fins |
Body shape lateral | elongated |
Cross section | oval |
Dorsal head profile | clearly concave |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | terminal |
Type of scales | ctenoid scales |
Diagnosis |
22-26 pored scales in the anterior lateral line series; 0-13 notched scales in the posterior series. The second dorsal fin without an ocellate black blotch but may be distally blackish, the anal fin pale, occasionally with whitish spots; the pelvic fin pale, and the dorsal fine spines each with two large distal spinules. |
Ease of Identification |
Lateral Lines | 2 Interrupted: No |
Scales on lateral line | 31 - 43 |
Pored lateral line scales | 22 - 26 |
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 | 3 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 16 - 17 |
Soft-rays total | 10 - 12 |
Adipose fin | absent |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 19 - 22 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 14 - 15 | |
Pelvics | Attributes largely reduced to one ray |
Position jugular behind origin of D1 | |
Spines 1 | |
Soft-rays 2 - 2 |