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Healthy fish populations rely on algae

April 28, 2013
The Associated Press

HONOLULU (AP) - A new study shows that algae on the seafloor are important to the health of food webs and fish populations in the Northwestern Hawaiian Islands.

The study published this month in the journal Marine Biology found that bottom-dwelling algae are the base of the food web. Small fish eat the algae, while sharks and other large fish eat the smaller fish.

Papahanaumokuakea Marine National Monument Deputy Superintendent and report co-author Randall Kosaki says taking care of the reef will help ensure healthy fish populations.

He says dredging and the spread of non-native invasive algae will affect the abundance of fish prized by humans for food, like snapper or jacks.

The monument said in a news release Friday that researchers collected nearly 600 algae and fish samples for the study.



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