Morphology Data of Arothron immaculatus
Identification keys
Abnormalities
Main Ref. Smith, M.M. and P.C. Heemstra, 1986
Appearance refers to Male; Female
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
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Body covered with prickles (Ref. 559). Dark bars on side of head and below pectoral fins; juvenile specimens from the Pacific with longitudinal dark stripes on belly (Ref. 4919).

Description: Characterized further by pale grey to brown body color, grading to white on ventral surface; pectoral fin base surrounded by large yellowish-brown to nearly black spot; black-edged yellow tail; sometimes with mottled pattern; short and obtuse snout, 2.2-2.4 in head length; bony interorbital width 2.6-3.1 in head length; rounded caudal fin, length about 2.6-3.6 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Arothron immaculatus

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   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 9 - 11
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 9 - 17

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   16 - 19
Pelvics Attributes  suppressed/absent
Position    
Spines     0
Soft-rays   0 - 0
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