Decline in migratory fish populations prompts fight for protection The UN assessment of the state of migratory freshwater fish revealed an 81% decline in the last 50 years.

We certainly have issues with our native long fin #eel populations which migrate to the #TonganTrench to breed, at the end of their lives - hydro dams, fresh water pollution etc.

Decline in #MigratoryFish populations prompts fight for protection
#MarineConservation
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