Trophic relationship between the Patinga hybrid (Piaractus mesopotamicus x Piaractus brachypomus) and Echinorhynchus gomesi Machado Filho, 1948 in fish farms

J Fish Biol. 2021 Mar;98(3):874-877. doi: 10.1111/jfb.14600. Epub 2020 Nov 12.

Abstract

A total of 122 Patinga specimens were collected from fish farms (P1, P2 and P3), and only those from fish farm P1 were shown to be infected with Echinorhynchus gomesi. In addition, fish in this study were shown to have diets that consisted of 21 different food items, and Notodiaptomus sp. (Copepoda: Calanoida) was identified as a potential intermediate host for E. gomesi.

Keywords: acanthocephalans; intermediate host; trophic interactions; zooplankton.

MeSH terms

  • Acanthocephala / physiology*
  • Animals
  • Characiformes / parasitology*
  • Copepoda / parasitology
  • Fish Diseases / parasitology*
  • Fish Diseases / transmission
  • Fisheries
  • Food Chain*
  • Helminthiasis, Animal / parasitology*
  • Helminthiasis, Animal / transmission