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The objective of this study was to investigate the acclimation condition for by‐catch sturgeons taken to farming facilities, monitoring, condition factor and mortality rates of three different sturgeon species (Huso huso, Linnaeus 1758; Acipenser stellatus, Pallas 1771; Acipenser gueldenstaedtii, Brand& Ratzeberk 1758) which were caught along the Black Sea coasts. A total of nine individuals from...
In aquatic ecosystems, fish play a key role in parasite accumulation and transmission to predacious animals. In the present study, realized on seven populations of a small cyprinid fish species, the European bitterling Rhodeus amarus, we investigated (1) the role of the European bitterling as a potential intermediate or paratenic host, (2) the ability of the fish to accumulate parasites with similar...
Host–parasite relationships are often characterized by the rapid evolution of parasite adaptations to exploit their host, and counteradaptations in the host to avoid the costs imposed by parasitism. Hence, the current coevolutionary state between a parasite and its hosts is predicted to vary according to the history of sympatry and local abundance of interacting species. We compared a unique reciprocal...
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