Man pages matching name bio::cluster::unigenei in section 3pm:

Bio::Cluster::UniGeneI.3pm.en	debian 10 / libbio-perl-perl
Bio::Cluster::UniGeneI.3pm.en	debian 11 / libbio-cluster-perl
Bio::Cluster::UniGeneI.3pm.en	debian 12 / libbio-cluster-perl