Morphology Data of Iniistius opalus
Identification keys
Abnormalities
Main Ref. Fukui, Y., 2018
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral short and / or deep
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species can be distinguished from other congeners in having a broad band of small scale rows on the cheek; with a single small scale below the eye; the first two dorsal-fin spines are short, their length similar to those of other spines of dorsal fin; central gill-raker of lower limb of first gill arch with a single branch; greate body depth 33.5-39.2% SL; several small blotches on the anal-fin base; scale rows below lateral line 10; first upper limb of gill arch with four branches on central gill-raker; head length 32.9-36.0% (mean 34.3%); pre-pectoral-fin length 29.8-32.5% (31.2%); orbit diameter 6.1-7.3% (6.8%); postorbital length 14.9-18.4% (16.8%); small blotches on head (Ref. 127939).

Ease of Identification

Meristic characteristics of Iniistius opalus

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

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 12 - 12
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 11 - 13

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   12 - 12
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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