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Invasive Species

Stopping the Silent Invasion


Little pest, big problem

The invasive coqui frog creates a loud, disturbing noise.  

Dangerous beauty

Invasive roi, or peacock grouper, consume juvenile native fish.

Hawaii's role as a major commercial hub of the Pacific makes the islands especially vulnerable to invasion by invasive pests.

Avrainvillea amadelpha, an invasive algae that smothers coral reefs, and Miconia calvescens, the “green cancer” of Pacific island rain forests, are already in Hawai‘i, as are the Formosan ground termite and Caribbean tree frogs. Several other dangerous aliens are at our doorstep. The brown tree snake, red fire ants, biting sand flies and West Nile virus are just a plane ride or cargo shipment away.

Strategies for Success

Protecting Hawai‘i from these pests requires a collaborative, multi-tiered defense. The top tier is enhanced prevention, or stopping alien pests before they get here. The second tier is early detection and response, or acting quickly to limit a pest’s spread when it does slip through our borders. And the third tier is containment and control of already established pests.

The Conservancy is working to bolster these lines of defense. Our efforts are focused on three key areas:

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