Morphology Data of Scorpaenodes guamensis
Identification keys
Main Ref. Motomura, H., R. Causse and C.D. Struthers, 2015
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

Thie species is distinguished by the following set of characters: pectoral-fin rays 17-20 (mode 18), some rays branched in specimens over ca. 40 mm SL; dorsal-fin soft rays 7-9 (8); scale rows in longitudinal series 40-46 (43); underside of lower jaw scaleless; gill rakers 11-15 (13); with nasal spine; lateral lacrimal spine is usually present; suborbital spines 2, first spine below eye, second spine at end of suborbital ridge; no interorbital and coronal spines; opercle with a large dark blotch; no dark blotch on subopercle or spinous portion of dorsal fin (Ref. 106975).

Ease of Identification

Meristic characteristics of Scorpaenodes guamensis

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 22 - 25
Scales in lateral series
Scale rows above lateral line 7 - 7
Scale rows below lateral line 10 - 12
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 6 - 9
on upper limb 4 - 7
total 11 - 15


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total 13 - 14
Soft-rays total 7 - 9
Adipose fin

Caudal fin


Anal fin(s)

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

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   17 - 19
Pelvics Attributes  
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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