Main Ref. | Heemstra, P.C. and J.E. Randall, 1993 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | different colors in juveniles and adults |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | compressed |
Dorsal head profile | clearly convex |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | superior |
Type of scales | ctenoid scales |
Diagnosis |
Distinguished by the following characteristics: Dark margin on spiny dorsal fin and dark saddle on caudal peduncle that extends below lateral line (Ref. 26938); juveniles with pale yellow caudal and pectoral fins; black saddle blotch on the caudal peduncle reaching below lateral line; depth of body contained 2.4-2.8 times in SL; head length 2.2-2.4 times in SL; convex interorbital area, width less than or subequal to eye diameter; enlarged serrae at angle of preopercle; distinctly convex upper edge of operculum; posterior nostrils 2-5 times larger than anterior nostrils (Ref. 89707). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 64 - 73 |
Pored lateral line scales | |
Scales in lateral series | 102 - 128 |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 15 - 17 |
on upper limb | 7 - 10 |
total | 22 - 27 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1notched No |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 11 - 11 |
Soft-rays total | 13 - 15 |
Adipose fin | absent |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 9 - 9 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 17 - 19 | |
Pelvics | Attributes more or less normal |
Position thoracic beneath origin of D1 | |
Spines | |
Soft-rays |