Morphology Data of Ilyodon cortesae
Identification keys
Abnormalities
Main Ref. Paulo-Maya, J. and P. Trujillo-Jiménez, 2000
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance always different morphology between mature adults
Different colors
Remarks Females are bigger than males

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section oval
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 terminal
Type of scales
Diagnosis

52 to 60 scales in a longitudinal series; jaw with two irregular series of strongly implanted bifid teeth; the pores of the lateral line in the preorbital branch are wide and always in a straight line; the prezygapophyses of caudal peduncle vertebrae are short and do not touch the adjacent postzygapophyses (Ref. 40197).

Ease of Identification likely to be confused with closely related species.

Meristic characteristics of Ilyodon cortesae

Lateral Lines 1 Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 52 - 60
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 23 - 32
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 15 - 18
Adipose fin absent

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number 1
Spines total
Soft-rays total 11 - 13

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   12 - 13
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Spines     
Soft-rays   6 - 6
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