Morphology Summary - Cypselurus izumii
Morphology Data of Cypselurus izumii
Identification keys
Abnormalities
Main Ref. Shakhovskoy, I.B. and N.V. Parin, 2022
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  (shape guide) elongated
Cross section circular
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is characterized by the following: D 11-14 (usually 12-13); A 8-10; P I,14-16; predorsal scales 25-30 (usually 25-28); number of scales in an oblique (antrorse) row between the origin of the dorsal fin and the lateral line 8½-10 (usually 8½); total number of gill rakers on the first arch 22-24 (6-7 + 16-17); total number of vertebrae 42-44 (26-28 + 15-16); snout short and deep; upper jaw rounded at tip; lower jaw usually shorter than upper jaw or of equal size, rarely slightly longer; jaw teeth numerous, rather large (usually clearly visible with the naked eye), tricuspid, but some fish also with few conical teeth and arranged in 3-4 rows; palatine teeth numerous (Ref. 130199).

Ease of Identification

Meristic characteristics of Cypselurus izumii

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 16 - 17
on upper limb 6 - 7
total 22 - 24
Vertebrae
preanal 25 - 28
total 42 - 44

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 11 - 14
Adipose fin

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 8 - 10

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   14 - 16
Pelvics Attributes  
Position    
Spines     
Soft-rays   
(e.g. 9948)
(e.g. oophagy)
Back to Search
Comments & Corrections
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17