Annales Zoologici Fennici 2021:4-6

Includes the following articles among others: Semenchenko, S. & Smeshlivaya, N., Spawning behaviour of whitefishes (Coregonidae); Karjalainen, J., Tuloisela, M., Nyholm, K. & Marjomäki, T. J., Vendace (Coregonus albula) disperse their eggs widely during spawning; Kondakova, E. A. & Bogdanova, V. A., The fate of the yolk syncytial layer during postembryonic development of Stenodus leucichthys nelma; Amidon, Z. J., DeBruyne, R. L., Roseman, E. F. & Mayer, C. M., Contemporary and historic dynamics of lake whitefish (Coregonus clupeaformis) eggs, larvae, and juveniles suggest recruitment bottleneck during first growing season; Marjomäki, T. J., Valkeajärvi, P. & Karjalainen, J., Lifting the vendace, Coregonus albula, on the life table: survival, growth and reproduction in different life-stages during very high and low abundance regimes; Sarvala, J. & Helminen, H., Two-year cycle of vendace (Coregonus albula) in Pyhäjärvi, SW Finland: evidence for asymmetric competition between adults and juveniles; Marjomäki, T. J., Auvinen, H., Helminen, H., Huusko, A., Huuskonen, H., Hyvärinen, P., Jurvelius, J., Sarvala, J., Valkeajärvi, P., Viljanen, M. & Karjalainen, J., Occurrence of two-year cyclicity, “saw-blade fluctuation”, in vendace populations in Finland.