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Thursday, January 5, 2012

Fish Imitates Octopus That Imitates Fish




Indonesia/California/Gottingen - The infamous mimic octopus, known to impersonate flatfish, lionfish, and sea snakes, now has an imitator of its own.

The jawfish, a tiny fish that surely would be eaten by almost any other animal in the ocean, usually stays close to its burrow ready to retreat from any danger. It was noticed in July of 2011 during a trip to Indonesia by Godehard Kopp of the University of Gottingen (Germany) clinging to the octopus. The fish was imitating an octopus that imitates another fish species. In spite of how close it was to the octopus, the fish seems to be unnoticed.

Kopp sent the video he made about the jawfish to the people who discovered it, Rich Ross and Luiz Rocha of the California Academy of Sciences. Because this behavior has never been documented before they published it in the journal Coral Reefs. They theorize the jawfish “hitches a ride with the octopus for protection, allowing it to venture away from its burrow to look for food—a case of 'opportunistic mimicry.' “

Dr. Rocha said about the discovery "This is a unique case in the reefs not only because the model for the jawfish is a mimic itself, but also because this is the first case of a jawfish involved in mimicry. Unfortunately, reefs in the Coral Triangle area of southeast Asia are rapidly declining mostly due to harmful human activities, and we may lose species involved in unique interactions like this even before we get to know them."

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