The coast of Vancouver Island turns a bright turquoise blue every spring. But why? It’s fish sperm, or milt, from the herring spawn. This annual breeding event happens for millions of Pacific herring, a small fish that is at the foundation of B.C.’s marine ecosystem. This natural spectacle attracts wildlife in huge numbers to gorge on the fish and eggs.

Co-Director, Cinematographer, Editor and Co-Host

​Emily Robertson

Co-Director, Producer , Writer & Co-Host

​Connel Bradwell

Produced by CBC Vancouver

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