Morphology Data of Coryphaenoides mexicanus
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 completely scaled except for the lips, gill membranes and interopercle tip. Snout short, bluntly pointed, with a stout conical tubercle at its tip and lateral angles; chin barbel small, shorter than suborbital width. Body scales with less than 20 sharp, thin spinules in widely divergent rows, or irregular quincunx pattern. Color of body and fins pale to medium brown; orbital and nostrils dark brown.

Ease of Identification

Meristic characteristics of Coryphaenoides mexicanus

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 8
on upper limb 1
total 9
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
Adipose fin absent

Caudal fin

Attributes

Anal fin(s)

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

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   20 - 22
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     0
Soft-rays   9 - 10
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