Morphology and 18S rDNA sequencing of Henneguya peruviensis n. sp. (Cnidaria: Myxosporea), a parasite of the Amazonian ornamental fish Hyphessobrycon loretoensis from Peru: a myxosporean dispersal approach - Mathews, Patrick D; Mertins, Omar; Pereira, José Octávio de Lima; Maia, Antônio Augusto Mendes; Adriano, Edson Aparecido (Acta Tropica, 2018)