This work was supported by grants from the NGO YAQU PACHA Organization for the Conservation of South American Aquatic Mammals, Zoo Heidelberg and Zoo Amneville (Project: Studies on the ecology, genetics, and conservation of the South American sea lion
Otaria flavescens in the southwestern Atlantic Ocean).
Contracaecum microcephalum (Rudolphi, 1809) para el huaco comun (Nycticorax nycticorax (Linnaeus, 1758)) de Junin y Puno; Contracaecum osculatum Rudolphi, 1802 para los otarios Arctocephalus australis (Zimmermann, 1783) y
Otaria flavescens (Shaw, 1800).
No se ha demostrado accion queratinolitica en este genero, aunque su presencia se ha relacionado con ulceraciones en la piel de leon de mar (
Otaria flavescens) [1].
Chrysomya albiceps Wiedemann es una especie invasora cuyo limite sur de distribucion lo constituia la localidad de Viedma (40[grados]48'S 63[grados]00'O) provincia de Rio Negro (Centeno 1998), aunque Oliva (1977), menciona pupas de Chrysomyia Robineau-Desvoidy, asociadas a cadaveres de
Otaria flavescens (Shaw, 1800) en Punta Ninfas (42[grados]56'14"S 64[grados]20'05"O) provincia de Chubut (Mariluis y Mulieri 2003).
In South America, along the Patagonian coast of Peninsula Valdes, Argentina, killer whales prey mainly on South American sea lions (
Otaria flavescens) and southern elephant seals (Mirounga leonina) (Thomas and Taber, 1984; Lopez and Lopez, 1985; Hoelzel 1991; Bastida et al., 2007), although attacks to southern right whales (Eubalaena australis) (Harris and Garcia, 1986; Jefferson et al., 1991; Sironi et al., 2008), dusky dolphins (Lagenorhynchus obscurus) and common dolphins (Delphinus delphis) have been reported (Coscarella et al., 2015).
Es probable que la mayor parte de los restos correspondan a la especie
Otaria flavescens (lobo marino de un pelo) (Quintana et al.
Observaciones morfofuncionales en el rinon del lobo marino de un pelo
Otaria flavescens.
The definitive natural host of this parasite is the South American sea lion,
Otaria byronia.
Otaria - type genus of the Otariidae