Morphology Data of Chagunius nicholsi
Identification keys
Abnormalities
Main Ref. Talwar, P.K. and A.G. Jhingran, 1991
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales
Diagnosis

Body depth about equal to head length; mouth narrow and subterminal; 2 pairs barbels, longer than orbit; eye diameter 4 to 4.8 times in head; dorsal spine strong and serrated, its denticles weak and recurved; scales small, 46 or 47 in longitudinal series, transverse scale-rows 9/8; circumferential scales 34; anal scales 2 (Ref. 4832).

Ease of Identification

Meristic characteristics of Chagunius nicholsi

Lateral Lines Interrupted: No
Scales on lateral line 46 - 47
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line 5 - 5
Scales around caudal peduncle 20 - 20
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 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total
Soft-rays total 13 - 13
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number
Spines total
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   15 - 15
Pelvics Attributes  more or less normal
Position    abdominal
Spines     0
Soft-rays   10 - 10
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17