Morphology Data of Acheilognathus tabira
Identification keys
Main Ref. Arai, R., H. Fujikawa and Y. Nagata, 2007
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors different colors during breeding season only
Remarks Nuptial coloration present in sexually mature males during the spawning season. Coloration in females does not change during spawning season, but they develop an ovipositor to deposit eggs into host mussel (Ref. 78070).

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Can be diagnosed by having the following characters: dorsal fin with iii, 9-11 rays; anal fin with iii, 9-10 rays; dorsal fin in males grayish; anal fin in nuptial males white; absence of black blotch on dorsal fin in juveniles; eggs short ellipsoid, ratio of major axis to minor axis, 1.4-1.7 (Ref. 78070).

Description: D iii,9-11; A iii,8-10; P i+ 14-16; V i+7 (Ref. 78070).

Ease of Identification

Meristic characteristics of Acheilognathus tabira

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
preanal 17 - 20
total 35 - 38


Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Spines total
Soft-rays total 11 - 14
Adipose fin absent

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total 11 - 13

Paired fins

Pectoral Attributes  
Soft-rays   15 - 17
Pelvics Attributes  
Position    abdominal
Soft-rays   8 - 8
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
Modified by Torres, Armi G.
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