Among the 37 species studied, populations have declined by an average of 90% since 1970.
Migratory fishes have key ecological roles, and their decline undermines Indigenous cultures, food security and biodiversity conservation.
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Among the 37 species studied, populations have declined by an average of 90% since 1970.
Migratory fishes have key ecological roles, and their decline undermines Indigenous cultures, food security and biodiversity conservation.