Morphology Data of Cocotropus richeri
Identification keys
Abnormalities
Main Ref. Fricke, R., 2004
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
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following characters: D XIII,10, the last ray divided; A II,7: pectoral fin rays 13; gill rakers 2 + 5 = 7 (some rudimentary); preopercular spines 5; upper jaw longer than the lachrymal length; no papillae on both posterior portion of upper jaw and outer edge of lower jaw; first sensory pores of lower jaw separate; anterior tip of isthmus not reaching forward to level of 5th sensory pore on lower jaw; spiny portion of dorsal fin with a large black blotch which extends onto the back (Ref. 75988).

Ease of Identification

Meristic characteristics of Cocotropus richeri

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 5 - 5
on upper limb 2 - 2
total 7 - 7
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 13 - 13
Soft-rays total 10 - 10
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 7 - 7

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   13 - 13
Pelvics Attributes  
Position    
Spines     1
Soft-rays   3 - 3
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