Morphology Data of Coryphaenoides acrolepis
Identification keys
Abnormalities
Main Ref. Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features striking shape of body
Body shape lateral elongated
Cross section circular
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth sub-terminal/inferior
Type of scales ctenoid scales
Diagnosis

Head large, scaled completely except for a narrow ventrolateral strip on snout; eyes also large; snout short, pointed and with tubercular scales along its leading edge; chin with a small chin barbel. Body tapering to a point posteriorly from behind the insertion of the first dorsal-fin spine. Scales adherent, with 3 to 5 divergent rows of coarse spinules. Pyloric caeca 12 to 14. Overall color is gray to grayish-brown in young, turning to dark brown in adults; fins generally dark. Branchiostegal rays: 6-6 (Ref. 36385).

Ease of Identification

Meristic characteristics of Coryphaenoides acrolepis

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 1
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 5 - 11
on upper limb 0 - 2
total 5 - 13
Vertebrae
preanal
total

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 2 - 2
Soft-rays total 122
Adipose fin absent

Caudal fin

Attributes pointed; confluent

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 94

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   19 - 22
Pelvics Attributes  more or less normal
Position    jugular  beneath origin of D1
Spines     0
Soft-rays   8 - 9
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