Morphology Data of Cynoglossus yokomaru
Identification keys
Main Ref. Naito, T. and H. Endo, 2019
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
Cross section flattened
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is distinguished by the following set of characters: lateral lines 2, dorsolateral and midlateral on ocular side and none on the blind side; both sides with ctenoid scales; nostrils on ocular side 2, the posterior nostril immediately anterior to a point between eyes; head length shorter than its depth; posterior margin of ocular-side upper jaw do not reach below posterior rim of lower eye; body depth 25.8-30.2% SL; upper supraorbital length 35.5-47.3% HL; lower supraorbital length 48.8-64.3% HL; horizontal diameter of lower eye 10.1-17.4% HL; dorsolateral line long (DLL) and continuous with 61-70 scales; midlateral line (MLL) with 4-5 + 65-68 = 69-73 scales; scales above DLL 3-4; DLL-MLL with 10-12 scales; cephalodorsal line (CDL) 8 scales; D 115-119; A 90-94; caudal-fn rays 10 (rarely 8 or 9) and vertebrae 9 + 47-48 = 56-57 (Ref. 126070).

Ease of Identification

Meristic characteristics of Cynoglossus yokomaru

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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
preanal 9 - 9
total 56 - 57


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total
Soft-rays total 115 - 119
Adipose fin

Caudal fin


Anal fin(s)

Fins number
Spines total
Soft-rays total 90 - 94

Paired fins

Pectoral Attributes  
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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