Gareth J. Williams – The Conversation

A healthy coral reef on Millennium Atoll, Southern Line Islands. Brian Zgliczynski

October 18, 2018

We tracked coral feeding habits from space to find out which reefs could be more resilient

Michael D. Fox, University of California, San Diego; Andrew Frederick Johnson, University of California, San Diego, and Gareth J. Williams, Bangor University

Field samples, satellite measurements and isotopic data have shed new light on corals’ eating habits.

Whitespotted surgeonfish (Acanthurus guttatus), found in the Indo-Pacific, crop the upper portion of algae while feeding, preventing macroalgae from becoming established on reefs. Kevin Lino/NOAA

November 30, 2016

Understanding the conditions that foster coral reefs’ caretaker fishes

Adel Heenan, National Oceanic and Atmospheric Administration; Andrew Hoey, James Cook University; Gareth J. Williams, Bangor University, and Ivor D. Williams, National Oceanic and Atmospheric Administration

Plant-eating fish control the spread of seaweed and algae on coral reefs. New research explaining why populations of these fish vary from site to site could lead to better reef protection strategies.

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