Morphology Data of Brycinus tholloni
Identification keys
Abnormalities
Main Ref. Paugy, D. and S.A. Schaefer, 2007
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features striking fins
Body shape lateral fusiform / normal
Cross section
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales
Diagnosis

Diagnosis: fronto-parietal fontanel narrow but always present; head length/snout length 3.4-3.6; 34-38 lateral line scales; 6.5 scales between lateral line and dorsal fin; 11-11.5 predorsal scales; 22-25 anal fin branched rays; 13-14 gill rakers on lower limb of first gill arch; 6 teeth in outer premaxillary row; humeral spot present (Ref. 80290).

Description: no adipose eyelid; gill rakers thin, short and few; 6 outer premaxillary teeth aligned in a single row (Ref. 80290).

Coloration: ground colour silvery, back greenish, belly whitish and fins greyish (Ref. 80290).

Ease of Identification

Meristic characteristics of Brycinus tholloni

Lateral Lines 1 Interrupted: No
Scales on lateral line 34 - 38
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 6 - 6
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 13 - 14
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

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

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    abdominal  beneath origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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