First record of larval Pseudoproleptus sp. (Nematoda: Cystidicolidae) in fish host

▶ Larvae of Pseudoproleptus sp. were found in Satanoperca jurupari (Cichlidae) in Brazil. ▶ This is the first record of a larval Pseudoproleptus sp. from fish paratenic host. ▶ Larvae from A. ucayalensis (Auchenipteridae) are considered as accidental parasitism. ▶ This is the second record of a larval Cystidicolidae in the Amazon and in the Neotropics.