Morphology Data of Melanotaenia multiradiata
Identification keys
Main Ref. Allen, G.R., P.J. Unmack and R.K. Hadiaty, 2014
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section compressed
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: A species of melanotaeniid rainbowfish distinguished by the following combination of characters: dorsal rays IV-VI + I, 14-17 ( usually V + I, 15); anal rays I,23-26 (rarely 23); pectoral rays 14-17 (usually 15 or 16); lateral scales 37-38; transverse scales 9; predorsal scales 17-19; circumpeduncular scales 12 or 13; total gill rakers on 1st arch 16-19 ( usually 17 or 18); total scales covering preoperculum 13-17 (mean 15.8); origin of 1st dorsal fin usually about eye diameter behind level of anal-fin origin, but occasionally level of dorsal and anal-fin origins about even; greatest body depth of adult male 2.7-3.2 in SL; colour in life generally bluish green to yellowish, grading to white ventrally; mid-lateral dark stripe usually present, broader and more prominent on posterior half of body; dorsal fins with dark submarginal stripe and pale outer margin (Ref. 119199).

Ease of Identification

Meristic characteristics of Melanotaenia multiradiata

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


Dorsal fin(s)

Attributes extending over most of the back length
Fins number 2
Finlets No. Dorsal   
Spines total 5 - 7
Soft-rays total 14 - 17
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 1
Soft-rays total 23 - 26

Paired fins

Pectoral Attributes  more or less normal
Soft-rays   14 - 17
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Hennyey, Andrea
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