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Genetics Summary for Colossoma macropomum
 Main ref.
 Country
 
 Locality/Yr.
 Unspecified
 Sex.
 
 Chromosome number
 Haploid/gametic (n) : 27
 Ref.
 
 Diploid/zygotic (2n) : 54 - 54
 Ref.
 Chromosome Type
 
 Ref.
 Metacentric
 18
 Subtelocentric
 
 MetaSubmetacentric
 
 Submetacentric
 36
 Telocentric/Acrocentric
 
 Subtelo-Acrocentric
 
 Chromosome arm no.
 108
 Ref.
 Sex determining mechanism
 
 Ref.
   
 DNA Content (haploid)
 
 Ref.
   
 Genetic markers
  No
 Ref.
   
 Remarks
 Out of 27 pairs of chromosomes, 10 pairs were metacentrics and 17 pairs were submetacentrics (Ref. 3382). 26 metacentric and 28 submetacentric chromosomes were also reported (Ref 7052).
 Ref.
   
Glossary

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