Mazocreid monogeneans parasitic on engraulid fishes in the South West Atlantic

TIMI, JUAN TOMAS; SARDELLA, NORMA HAYDEE; JORGE ALEJANDRO ETCHEGOIN

Journal of Parasitology

Lugar: Lawrence, Kansas; Año: 1999 vol. 85 p. 28 - 32

Two species of mazocraeid monogeneans are reported for the first time from Argentinean-Uruguayan engraulid fish hosts, Engraulis anchoita and Anchoa marini. Mazocraes australis n. sp. collected from the gills of E. anchoita is described: this new species can be distinguished from the other congenerics by the number of genital hooks in the copulatory organ, the relative size of clamps, and the number of hooks in the tenninal lappet. Pseudanthocotyloides heterocotyle found in the gills of E. anchoita and A. marini is redescribed. The diagnosis of both mazocraeid genera are also emended.