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A case of complete loss of gill parasites in the invasive cichlid Oreochromis mossambicus.
FIRMAT, Cyril
Biodiversité, Gènes & Communautés [BioGeCo]
Centre for Biodiversity Dynamics
Biogéosciences [UMR 6282] [BGS]
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Biodiversité, Gènes & Communautés [BioGeCo]
Centre for Biodiversity Dynamics
Biogéosciences [UMR 6282] [BGS]
FIRMAT, Cyril
Biodiversité, Gènes & Communautés [BioGeCo]
Centre for Biodiversity Dynamics
Biogéosciences [UMR 6282] [BGS]
< Reduce
Biodiversité, Gènes & Communautés [BioGeCo]
Centre for Biodiversity Dynamics
Biogéosciences [UMR 6282] [BGS]
Language
en
Article de revue
This item was published in
Parasitology Research. 2016-09, vol. 115, n° 9, p. 3657-3661
Springer Verlag (Germany)
English Abstract
This study investigates the recent evolution of a rich parasite community associated with one of the world's most invasive species, the cichlid fish Oreochromis mossambicus. Populations from the species' native range ...Read more >
This study investigates the recent evolution of a rich parasite community associated with one of the world's most invasive species, the cichlid fish Oreochromis mossambicus. Populations from the species' native range (Mozambique) are compared to a population from New Caledonia (Wester Pacific), an island where the species was introduced in 1954. The results support the complete local extinction of the gill parasite community in the course of the invasion process. Up to six gill parasite species per locality were documented in the O. mossambicus native range, and previous surveys consistently reported at least one parasite species introduced along African cichlid species established out of Africa. The absence of parasites in New Caledonia is therefore exceptional. This can be attributed to local factors, such as a strong initial population bottleneck, the likely absence of multiple host introductions, and the frequent occurrence of brackish watersheds that might enhance the probability for natural deparasitation.Read less <
English Keywords
Ancyrocephalidae
Biological invasion
Enemy release
Monogenea
Tilapia
Origin
Hal imported