Hawaiian submarine canyons are hotspots of biodiversity and biomass for seafloor animal communities

Underwater canyons have long been considered important habitats for marine life, but until recently, only canyons on continental margins had been intensively studied. Researchers have now conducted the first extensive study of canyons in the oceanic Hawaiian Archipelago and found that these submarine canyons support especially abundant and unique communities of megafauna including 41 species not observed in other habitats in the Hawaiian Islands.

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