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  • A tuna – longfin eel (Anguilla dieffenbachii) underwater.
    Rights: Public domain Published 17 November 2020 Size: 700 KB Referencing Hub media

    Tuna (freshwater eels) spend the early part of their lives as tunatuna (glass eels) in the freshwater systems of awa and roto. Here, they grow slowly, and once they are of breeding age, they migrate to the moana (marine environment) where they meet up in the Pacific Ocean to breed and then die. Their babies float back on the ocean currents to the rivers where their parents came from and start the cycle all over again.

    Copyright: Public domain

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