Fish length exclusively determines sexual maturation in the European whitefish Coregonus lavaretu species complex

Ficker, H., Mazzucco, R., Gassner, H., Wanzenboeck, J., & Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 (2013). Fish length exclusively determines sexual maturation in the European whitefish Coregonus lavaretu species complex. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-13-031

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Abstract

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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