Age of European silver eels during a period of declining abundance in Norway

Caroline Durif, Ola Diserud, Leif Asbjørn Vøllestad, Odd Terje Sandlund, Eva Thorstad, Knut Bergesen, Russell Poole, Steven Shema & Rosa Escobar-Lux
The European eel (Anguilla anguilla) is critically endangered throughout its range. Knowledge about age distribution of future spawners (silver eels) is essential to monitor the status and contribute to the recovery of this species. Determination of age in anguillid eels is challenging, especially in eels from the northern part of the distribution area where growth is slow and age at maturation can be up to 30 years or more. Eels from the river Imsa in...
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