Main Ref. | Allen, G.R. and J.H. Talbot, 1985 |
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 |
Adults grey or yellowish grey to brown with yellow fins. At night it is brown to red in color. With or without black side spot that can be turned on or off at will (Ref. 48635). Dorsal profile of head gently to moderately sloped. Preorbital width about equal to eye diameter. Preopercular notch and knob poorly developed. Scale rows on back rising obliquely above lateral line. Generally silvery white with yellow fins, and usually a black spot below the middle of the dorsal fin that is intersected by the lateral line (Ref. 469). Body depth 2.6-3.0 in SL (Ref. 90102). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 47 - 50 |
Pored lateral line scales | 47 - 50 |
Scales in lateral series | |
Scale rows above lateral line | 5 - 7 |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 11 - 12 |
on upper limb | 7 - 7 |
total | 18 - 19 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1notched No |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 10 - 10 |
Soft-rays total | 13 - 14 |
Adipose fin | absent |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 8 - 9 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 15 - 17 | |
Pelvics | Attributes more or less normal |
Position thoracic behind origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |