Main Ref. | Russell, B.C., 1990 |
Appearance refers to | Male; Female |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | males alike females |
Different colors | males alike females |
Remarks |
Striking features | striking fins |
Body shape lateral | fusiform / normal |
Cross section | oval |
Dorsal head profile | more or less straight |
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 |
Head scales reaching forward to or almost to level of posterior nostrils. Suborbital naked. Lower limb of preopercle naked. Pelvic fins short, not reaching to level of anus. Upper lobe of caudal fin produced into a very long trailing yellowish-brown filament. Axillary scale present. Color: Upper body pale brownish, lower whitish. Presence of three bluish stripes across snout, first joining eyes behind nostrils, second in front of nostrils, third from eye to tip of snout. A yellow stripe from behind eye to upper base of pectoral fin. A yellow stripe from middle of upper lip, beneath eye to below pectoral fin. |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 46 - 48 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 2.5 - 6 |
Scale rows below lateral line | 11 - 20 |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | absent |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 7 - 15 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 10 - 10 |
Soft-rays total | 9 - 9 |
Adipose fin | absent |
Attributes | forked; with dorsal filament |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 7 - 7 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 16 - 17 | |
Pelvics | Attributes more or less normal |
Position thoracic behind origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |