The karyotype of Pimelodella cristata (Siluriformes: Heptapteridae) from Central Amazon basin: with a discussion of the chromosome variability in Pimelodella I, as the Editor (i.e. no as the Author of the Article) can confirm that it is OK to proceed; you have, however, to get also the reply from the Author; thank you. Nevertheless, Figures 1-3 should be somehow inserted within the main text of the paper. And I do not know why my reply is automatically directed to Frank Franco…?