Georgia Institute of Technology researchers placed two goby fish species, Gobidon histrio and Paragobidon enchinocephalus, at corals under attack by a toxic seaweed called Chlorodesmis fastigiata, and found a significant decline in the damages caused by the seaweed. After examining the guts of the gobies, they noted that only G. histrio ate the seaweed, while P. enchinocephalus pruned them.

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