The most abundant species of invasive macroalgae, commonly known as seaweed, in the main Hawaiian Islands has been found for the first time in the Papahānaumokuākea National Marine Sanctuary.
https://www.hawaiipublicradio.org/local-news/2026-01-02/invasive-algae-acanthophora-spicifera-has-now-reached-papahanaumokuakea
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