Main Ref. | Gomon, M.F. and C.D. Roberts, 2011 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Head and body broad, head width 1.2-1.7 times its length, covered with tiny blunt knobs in juveniles to almost smooth in adults; mouth with several prominent canines between smaller canines; chin smooth; ventral margin of preopercle with four spine-like processes; anterior end of isthmus with a pair of prominent forward directed spines; prominent cleithral spine sheathed with skin above pectoral fin base; 17-19 gill rakers on first arch in the form of patches of fine teeth, patches broad, about six to ten teeth across patches, not in distinct rows, innermost teeth rather short; dorsal fin of moderate length, its base 43-66% of predorsal length; pelvic fins large, their length 23-28% SL; body whitish below usually with two broad, vertical, dark-brown, variously distinct bands or saddles across back, most distinct in juveniles and small adults (Ref. 86516). |
Ease of Identification |
Lateral Lines | 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 | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total | 30 - 31 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 15 - 17 |
Adipose fin | absent |
Attributes | more or less truncate |
Fins number | 1 |
Spines total | |
Soft-rays total | 14 - 16 |
Pectoral | Attributes |
Spines | |
Soft-rays | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |