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 | different colors in mature adults only |
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 |
Type of scales | |
Diagnosis |
Interpelvic process small and bifid. Swim bladder absent. Lateral line gradually curving down toward caudal peduncle. Intestine with 2 folds and 3 limbs. Males with no streaks or spots while females have two alternate series of brown spots on sides. Body entire covered with small scales, no anterior corselet. |
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 | 15 - 21 |
on upper limb | 4 - 8 |
total | 19 - 29 |
Vertebrae | |
preanal | |
total | 46 - 48 |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 6 - 9 |
Ventral 6 - 8 | |
Spines total | 15 - 18 |
Soft-rays total | 16 - 20 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | |
Soft-rays total | 19 - 23 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays 19 - 22 | |
Pelvics | Attributes more or less normal |
Position thoracic behind origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |