Morphology Data of Pteroidichthys caussei
Identification keys
Abnormalities
Main Ref. Motomura, H. and Y. Kanade, 2015
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 fusiform / normal
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following characters: A II,6; dorsal-fin spines are rigid; relatively short snout, its length 12.3-17.2% (mean 15.1%) of SL, and is shorter than postorbital length; posterior margin of the maxilla reaching beyond vertical through middle of pupil; the distance between tips of lateral lacrimal and first suborbital spines is shorter than between tips of first and second suborbital spines; no supplemental preopercular spine; tentacles on supraocular and posterior lacrimal spines are well developed, their lengths greater than orbit diameter; trunk and fins with numerous tentacles; lateral lacrimal and suborbital spines poorly are developed, indistinct, usually tiny spines and often bony protuberances without pointed tips; without the distinct black blotch on soft-rayed portion of dorsal fin (Ref. 106976).

Ease of Identification

Meristic characteristics of Pteroidichthys caussei

Lateral Lines Interrupted: No
Scales on lateral line 34 - 34
Pored lateral line scales 18 - 18
Scales in lateral series
Scale rows above lateral line 3 - 3
Scale rows below lateral line 11 - 12
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 8 - 9
on upper limb 4 - 5
total 12 - 14
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 12 - 12
Soft-rays total 9 - 9
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 2
Spines total 2 - 2
Soft-rays total 6 - 6

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   14 - 15
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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