Morphology Summary - Psilorhynchus kosygini
Morphology Data of Psilorhynchus kosygini
Identification keys
Abnormalities
Main Ref. Shangningam, B., 2024
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  (shape guide) elongated
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following set of characters: 3-4 scales positioned along the mid-ventral region between the posterior base of the pelvic fin and the anal opening; body elongate with 41-42 scales along the lateral line; 14 scales in the pre-dorsal region; 8 scales around the caudal peduncle; 9-10 branched pectoral-fin rays; eye diameter 15-21% HL; head length 18.2-19.9% SL; body depth 15.6-18.3% SL; head depth 50-58% HL and vertebrae 42 (Ref. 137607).

Ease of Identification

Meristic characteristics of Psilorhynchus kosygini

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 29 - 29
total 42 - 42

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 8 - 8
Adipose fin absent

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number 1
Spines total
Soft-rays total 6 - 6

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   7 - 9
Pelvics Attributes  
Position    
Spines     
Soft-rays   7 - 7
(e.g. 9948)
(e.g. oophagy)
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