Morphology data of Catostylus townsendi
Identification keys
Main Ref. Kramp, P.L., 1961
Appearance refers to

Sex attributes

specialized organs
different appearance
different colors
remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Diagnosis 10 cm wide, flatter the a hemisphere, finely granular, jelly of horny rigidity; number of lappets variable, velar lappets about twice as wide as long, rhopalar lappets small and oval,; deep clefts between lappets extend upwards; mouth arms two thirds of the length of diameter, distal three winged portion 2 to 4 up to 7 times as long as proximal simple portion, tapering to pointed distal ends; intracircular mesh work with rather wide meshes, extracircular mesh work fine meshed, extending into the lappets.
Ease of Identification likely to be confused with closely related species.

Meristic characteristics of Catostylus townsendi

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
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
spines     
soft-rays   
Pelvics Attributes  
Position    
spines     
soft-rays   
Main Ref. (e.g. 9948)
Glossary (e.g. cnidaria)
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