Morphology Data of Cosmochilus nanlaensis
Identification keys
Abnormalities
Main Ref. Chen, Y.F., Z.C. He and S.P. He, 1992
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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Papillae of lips not developed; the gill rakers of the first gill arch very sparse and short; the rostral barbels and maxillary barbels not developed; length of the last simple dorsal fin ray equal to or slightly shorter than length of head; the number of scales in longitudinal series 32-35.

Ease of Identification

Meristic characteristics of Cosmochilus nanlaensis

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 16 - 16
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 8 - 9
on upper limb 6 - 6
total 14 - 15
Vertebrae
preanal
total 33 - 34

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 12 - 12
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   15 - 15
Pelvics Attributes  
Position    
Spines     
Soft-rays   10 - 11
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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