Morphology Data of Asterropteryx spinosa
Identification keys
Abnormalities
Main Ref. Myers, R.F., 1999
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 elongated
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Thick dark bar under the eye, a short dark bar on the tail base, and a black spot at the front of first dorsal fin (Ref. 37816); characterized further by prolonged fourth dorsal spine, forming long filament in adult; longitudinal scale series 24; ctenoid scales on body, becoming cycloid anterior to pelvic and pectoral fins; 3-7 spines on rear edge of preopercle, lowermost often larger than others; rounded caudal fin; depth of body 3.7-4.0 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Asterropteryx spinosa

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 24 - 24
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 8 - 9
on upper limb 3 - 4
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 7 - 7
Soft-rays total 9 - 10
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

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

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   17 - 20
Pelvics Attributes  
Position    thoracic  beneath origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Pablico, Grace Tolentino
Modified by Valdestamon, Roxanne Rei
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