Main Ref. | Collette, B.B. and C.E. Nauen, 1983 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | males alike females |
Different colors | males alike females |
Remarks |
Striking features | none |
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 |
Diagnosis |
Interpelvic process small and bifid. Body covered with small scales. Lateral line gradually curving down toward caudal peduncle. Intestine with 2 folds and 3 limbs. Swim bladder absent. Pelvic fins relatively long. Sides silvery with numerous round brownish (orange in life) spots, three rows above lateral line, one above. The first dorsal fin is black distally and white at the base. The second dorsal fin is tinged with yellowish and with black margin. The anal fin is white. |
Ease of Identification |
Lateral Lines | 1 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 | 0 |
Gill clefts (sharks/rays only) | absent |
Gill rakers | |
on lower limb | 9 - 14 |
on upper limb | 2 - 4 |
total | 11 - 18 |
Vertebrae | |
preanal | |
total | 46 - 49 |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 7 - 10 |
Ventral 7 - 10 | |
Spines total | 15 - 18 |
Soft-rays total | 16 - 19 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | |
Soft-rays total | 16 - 21 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 20 - 24 | |
Pelvics | Attributes more or less normal |
Position thoracic beneath origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |