Main Ref. | Trewavas, E., 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 | short and / or deep |
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 | terminal |
Type of scales | cycloid scales |
Diagnosis |
Diagnosis: body depth 44.9-54.1% SL; caudal peduncle short and deep, its length 0.5-0.6 times in its depth (Ref. 53405). 3 scale rows on cheek (Ref. 2). No black spots (Ref. 53405). 8-9 faint vertical bars behind dark nape on body (Ref. 2, 53405). Dorsal fin with grey lappets and large, round, clear spots in dark reticulum; anal fin similarly marked; caudal fin with small, dark rectangular spots, either irregularly arranged or in curved rows (Ref. 2). Description: 30-65 teeth in outer row of upper jaw; outer jaw teeth bicuspid, inner jaw teeth tricuspid, posterior teeth on pharyngeal jaw bicuspid; anterior part of pharyngeal bone longer than toothed part; micro-gillrakers present; scales cycloid (Ref. 53405). Coloration: Preserved specimens: greyish, darker on top of head and back, white on belly; black band below lower lip; pectoral fins transparent, other fins grey; dorsal, anal and caudal fins with several transparent or white spots on membrane between spines and soft rays, these spots sometimes forming dark vertical lines on dorsal and caudal fins; young specimens with fewer spots on fins and posterior part of caudal fin darker (Ref. 53405). |
Ease of Identification |
Lateral Lines | 2 Interrupted: No |
Scales on lateral line | 29 - 29 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 3.5 - 3.5 |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | absent |
Gill rakers | |
on lower limb | 17 - 20 |
on upper limb | 5 - 5 |
total | 22 - 23 |
Vertebrae | |
preanal | |
total | 28 |
Attributes | extending over most of the back length |
Fins number | 1 |
Finlets No. | Dorsal 0 |
Ventral 0 | |
Spines total | 15 - 16 |
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 | 10 - 11 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position thoracic behind origin of D1 | |
Spines | |
Soft-rays |