Synaptonemal complex analysis in the fish species Piaractus mesopotamicus and Colossoma macropomum, and in their interspecific hybrid - Santos, Vera Habda dos; Foresti, Fausto; Oliveira, Claudio; Almeida-Toledo, Lurdes Foresti de; Toledo Filho, Sílvio de Almeida; Bernardino, Geraldo (Caryologia, 2002)