";} } ?> Morphology Summary - Xenomystus nigri
Morphology Data of Xenomystus nigri
Identification keys
Abnormalities
Main Ref. Bigorne, R., 1990
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs other
Different appearance males alike females
Different colors males alike females
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section compressed
Dorsal head profile clearly concave
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth sub-terminal/inferior
Type of scales cycloid scales
Diagnosis

Body height 5-5.4 x SL, head length 6.9-7.5 x SL, snout smaller than eye, eye diameter 3.8-4.5 x head length, maxilla extends to vertical of eye center or just under the eye's posterior border, ventral spines 25-32

Ease of Identification

Meristic characteristics of Xenomystus nigri

Lateral Lines Interrupted: No
Scales on lateral line 120 - 168
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 8 - 10
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total 0 - 0
Soft-rays total
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number
Spines total 0 - 0
Soft-rays total 108 - 130

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   11 - 13
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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