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Fish length exclusively determines sexual maturation in the European whitefish Coregonus lavaretus species complex
Author(s) -
Ficker H.,
Mazzucco R.,
Gassner H.,
Wanzenböck J.,
Dieckmann U.
Publication year - 2014
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/jfb.12301
Subject(s) - coregonus lavaretus , biology , coregonus , fish <actinopterygii> , sexual maturity , population , fishery , salmonidae , zoology , ecology , demography , sociology , salmo
The probability that a fish matures at a certain age and length (the so‐called probabilistic maturation reaction norm, PMRN ) was analysed for a European whitefish Coregonus lavaretus species complex population living in the Austrian pre‐alpine Lake Irrsee. Fish length was found to be the only relevant determinant of maturation probability, and females matured at slightly smaller sizes than males.

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