Morphology Data of Scorpaena cocosensis
Identification keys
Main Ref. Motomura, H., 2004
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 short and / or deep
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales cycloid scales

This species is distinguished by the following characters: D 8; pectoral-fin rays 22; well-exposed scales covers the anteroventral body surface; well-developed interorbital ridges, beginning just behind the nasal spines and diverging anteriorly and posteriorly in dorsal view; lateral margins of frontals diverging posteriorly in the dorsal view; occipital pit shallow with a distinct transverse ridge in front of pit; posterior lacrimal spine is directed ventroanteriorly; suborbital ridge with a small spine; no supplemental preopercular spine; the second preopercular spine reduced; upper posttemporal spine is directed upward; posterior margin of maxilla just reaching level with posterior margin of pupil; posterior tip of pectoral fin reaching level with origin of third dorsal-fin soft ray; head length large (48.8% SL); large orbit diameter (16.9% SL); interorbital space wide between supraocular spine bases (9.2% SL) (Ref. 53275).

Ease of Identification

Meristic characteristics of Scorpaena cocosensis

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 25 - 25
Scales in lateral series 46 - 46
Scale rows above lateral line 5 - 5
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 7 - 7
on upper limb 4 - 4
total 24 - 24


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 12 - 12
Soft-rays total 8 - 8
Adipose fin

Caudal fin


Anal fin(s)

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

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   22 - 22
Pelvics Attributes  
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
Modified by Capuli, Estelita Emily
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