%0 Journal Article %T Karyotypic variation in the long-whiskered catfish Pimelodus blochii Valenciennes, 1840 (Siluriformes, Pimelodidae) from the lower Tapaj¨Žs, Amazonas and Trombetas Rivers %J - %D 2018 %R https://doi.org/10.3897/CompCytogen.v12i3.22590 %U https://compcytogen.pensoft.net/article/22590/