Main Ref. | Allen, G.R. and M.V. Erdmann, 2012 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | |
Different colors | males alike females |
Remarks | One of the sexually dimorphic triggerfishes with adult males lacking stripes on most of the snout (Ref. 37816). |
Striking features | striking fins |
Body shape lateral | short and / or deep |
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 |
This species is distinguished by the following characters: front of eye without the elongate groove; enlarged scales above the pectoral-fin base and just behind the gill opening to form a flexible tympanum; the scales of the caudal peduncle with 2 longitudinal rows of large anterior-projecting spines; the slightly rounded caudal fin with compressed peduncle; head and body colour green to brown with diagonally curved orange lines and a large round black blotch covering most of the caudal-fin base; rays of soft dorsal, anal and pectoral fins orange and also the caudal fin (Ref. 10920, 9770). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | 36 - 40 |
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 | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | first rays forming locking device |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 3 - 3 |
Soft-rays total | 24 - 27 |
Adipose fin | absent |
Attributes | more or less truncate |
Fins number | |
Spines total | 0 - 0 |
Soft-rays total | 20 - 24 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 13 - 15 | |
Pelvics | Attributes joint to one spine only |
Position abdominal behind origin of D1 | |
Spines 1 | |
Soft-rays 0 - 0 |