Morphology Data of Scorpaenodes quadrispinosus
Identification keys
Main Ref. Greenfield, D.W. and K. Matsuura, 2002
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Distinguished from all other Scorpaenodes species by having the first two spines on the suborbital ridge extending dorsally above the lower orbit margin; no distinct dark spot on opercle, subopercle, or spinous dorsal fin; pectoral fin rays usually 17; vertical scale rows 39-43; head and upper body light cream overlaid by dark brown to black pigment pattern; lower half of body light cream to white, edges of scales on lower half pink (Ref. 46823); Suborbital ridge with four spinules; presence of interorbital and coronal spines, small; depth of body 2.8-3.1 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Scorpaenodes quadrispinosus

Lateral Lines Interrupted: No
Scales on lateral line 21 - 22
Pored lateral line scales
Scales in lateral series 39 - 43
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 8 - 8
on upper limb 4 - 4


Dorsal fin(s)

Fins number 1notched No
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 13 - 13
Soft-rays total 10 - 11
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 5 - 6

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   17 - 18
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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