Morphology Summary - Olyra sancta
Morphology Data of Olyra sancta
Identification keys
Abnormalities
Main Ref. Tenali, D.R., R. Chandran, R.K. Singh and U.K. Sarkar, 2025
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
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished from its congeners by the following set of characters: adipose fin separates from upper principal caudal-fin rays; head length 14.6-15.8% SL; interorbital distance 32.2-33.9% HL; eye diameter 7.0-9.0% HL; body depth at anus 6.6-9.7% SL; length of adipose-fin base 7.5-9.9% SL; 17-19 anal-fin rays; caudal peduncle length 13.7-16.6% SL; and caudal peduncle depth 4.2-5.3% SL (Ref. 138834).

Ease of Identification

Meristic characteristics of Olyra sancta

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 35 - 42
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 21 - 21
total 44 - 45

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 7 - 7
Adipose fin present

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number 1
Spines total
Soft-rays total 12 - 12

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   7 - 7
Pelvics Attributes  
Position    
Spines     
Soft-rays   6 - 6
(e.g. 9948)
(e.g. oophagy)
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