cleaner goby fish with coral (IMAGE)
Caption
Cleaner gobies set up "shop" in coral reefs, attracting bigger fish "clients," who come to have their scales cleaned of parasites and bacteria. Scientists are studying the role these little fish play in reef microbial diversity.
Credit
Matthew Nicholson, University of Miami
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Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND