New host, geographical records, and some ecological aspect of Absonifibula bychowskyi lawler et overstreet, 1976 (Monogenea: Diclidophoridae) from estuarine areas of Argentina

Background. Monogenean parasites from mixohaline areas of the South Atlantic coast of Argentina are very poorly reported. The aim of this paper is report a new host and locality for Absonifibula bychowskyi, a monogenean confined to fish living in estuarine areas. Some ecological considerations about...

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Autores principales: Martorelli, Sergio Roberto, Sardella, Norma Haydée, Marcotegui, Paula Soledad
Formato: Articulo
Lenguaje:Inglés
Publicado: 2007
Materias:
Biología
Absonifibula
Diclidophoridae
Fish parasites
Micropogonias furnieri
Monogenea
Southern Atlantic
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/83081
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-83081
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Biología
Absonifibula
Diclidophoridae
Fish parasites
Micropogonias furnieri
Monogenea
Southern Atlantic
spellingShingle Biología
Absonifibula
Diclidophoridae
Fish parasites
Micropogonias furnieri
Monogenea
Southern Atlantic
Martorelli, Sergio Roberto
Sardella, Norma Haydée
Marcotegui, Paula Soledad
New host, geographical records, and some ecological aspect of Absonifibula bychowskyi lawler et overstreet, 1976 (Monogenea: Diclidophoridae) from estuarine areas of Argentina
topic_facet Biología
Absonifibula
Diclidophoridae
Fish parasites
Micropogonias furnieri
Monogenea
Southern Atlantic
description Background. Monogenean parasites from mixohaline areas of the South Atlantic coast of Argentina are very poorly reported. The aim of this paper is report a new host and locality for Absonifibula bychowskyi, a monogenean confined to fish living in estuarine areas. Some ecological considerations about the host-parasite relationship are also discussed. Materials and Methods. Parasites collected from whitemouth croaker, Micropogonias furnieri (Desmarest, 1823) (Actinopterygii: Sciaenidae), were studied from fixed- and live specimens, with standard procedures used in parasitology. Prevalence, mean intensity, and abundance of parasites were calculated and related to the host body size. Spearman's rank correlation coefficient was calculated to determine possible correlations between host length, parasite intensity, and prevalence. Results. Absonifibula bychowskyi (Monogenea: Diclidophoridae) Lawler et Overstreet, 1976 is reported for the first time from the gills of whitemouth croaker, at the Samborombón Bay, a mixohaline area in the Buenos Aires Province, Southwest Atlantic Ocean. The parasite was found only in juveniles of M. furnieri that use the Samborombón Bay as the main estuarine nursery ground area. When the croaker migrated seawards, A. bychowskyi disappeared from the gills may be related to the increased salinity. Conclusions. This is the first record for Absonifibula bychowskyi in the Southwest Atlantic and M. furnieri. (It constitutes a new host record.) The presence of A. bychowskyi in M. furnieri could be indicative of the origin of the fish.
format Articulo
Articulo
author Martorelli, Sergio Roberto
Sardella, Norma Haydée
Marcotegui, Paula Soledad
author_facet Martorelli, Sergio Roberto
Sardella, Norma Haydée
Marcotegui, Paula Soledad
author_sort Martorelli, Sergio Roberto
title New host, geographical records, and some ecological aspect of Absonifibula bychowskyi lawler et overstreet, 1976 (Monogenea: Diclidophoridae) from estuarine areas of Argentina
title_short New host, geographical records, and some ecological aspect of Absonifibula bychowskyi lawler et overstreet, 1976 (Monogenea: Diclidophoridae) from estuarine areas of Argentina
title_full New host, geographical records, and some ecological aspect of Absonifibula bychowskyi lawler et overstreet, 1976 (Monogenea: Diclidophoridae) from estuarine areas of Argentina
title_fullStr New host, geographical records, and some ecological aspect of Absonifibula bychowskyi lawler et overstreet, 1976 (Monogenea: Diclidophoridae) from estuarine areas of Argentina
title_full_unstemmed New host, geographical records, and some ecological aspect of Absonifibula bychowskyi lawler et overstreet, 1976 (Monogenea: Diclidophoridae) from estuarine areas of Argentina
title_sort new host, geographical records, and some ecological aspect of absonifibula bychowskyi lawler et overstreet, 1976 (monogenea: diclidophoridae) from estuarine areas of argentina
publishDate 2007
url http://sedici.unlp.edu.ar/handle/10915/83081
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