Morphology Data of Istiophorus albicans
Identification keys
Main Ref. Nakamura, I., 1985
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors males alike females
Remarks Females are usually larger than males.

Descriptive characteristics of juvenile and adult

Striking features striking type of mouth
Body shape lateral elongated
Cross section
Dorsal head profile clearly concave
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth sub-terminal/inferior
Diagnosis
Ease of Identification

Meristic characteristics of Istiophorus albicans

Lateral Lines 1 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 0
Gill clefts (sharks/rays only) absent
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal 12 - 12
total 24 - 24

Fins

Dorsal fin(s)

Attributes extending over most of the back length
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 48 - 53
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 2
Spines total 0 - 0
Soft-rays total 9 - 12

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   17 - 20
Pelvics Attributes  largely reduced to one ray
Position    thoracic  beneath origin of D1
Spines     1
Soft-rays   2 - 2
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Luna, Susan M.
Modified by Froese, Rainer
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17