Hatching success in brackish water of Perca fluviatilis eggs obtained from the western Baltic Sea

Emil A. F. Christensen, Mikkel Skovrind, Morten T. Olsen, Henrik Carl, Peter Gravlund & Peter R. Møller
Estuaries are important spawning areas for many freshwater and marine fishes. This is also the case for Baltic populations of European perch Perca fluviatilis, an important commercial species in most of Europe. There is, however, inconsistency in the literature between the maximum salinity tolerance of the eggs in vivo, and the salinities at which some populations spawn in situ (7 vs. 9.6‰). In the present study, hatching success of perch was determined in vivo for...
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