Morphology Data of Rhodeus albomarginatus
Identification keys
Main Ref. Li, F. and R. Arai, 2014
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors always different colors between mature adults
Remarks Colors also vary in juveniles and adults as well as during breeding season only.

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

Rhodeus albomarginatus is distinguished from congeners by its unique white margin on the anal fin in adult males (vs. black margin). It also differs from other congeners by having 10 branched rays on dorsal fin, 10-11 branched rays on anal fin, i,6 pelvic-fin rays, 33-34 vertebrae (mode 33), and in adult males, iris black, belly reddish-orange and central part of caudal fin red (Ref. 95613).

Ease of Identification

Meristic characteristics of Rhodeus albomarginatus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 4 - 7
Scales in lateral series 34 - 36
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 14 - 14
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 33 - 34


Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Spines total
Soft-rays total 13 - 13
Adipose fin absent

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total 13 - 14

Paired fins

Pectoral Attributes  more or less normal
Soft-rays   11 - 12
Pelvics Attributes  
Position    abdominal  before origin of D1
Soft-rays   7 - 7
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
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