Great Barracuda - Sphyraena barracuda

Great Barracuda - Sphyraena barracuda

January 4, 2012

Mimic Mimics Mimic

The Mimic Octopus is well known for its spot-on imitations of numerous tropical fishes. Who would have guessed that a fish would join in its party?

Jawfishes are tiny, burrow-dwelling mouth-brooders that do not typically stray far from home. This is the first record of a fish mimicking a cephalopod. Dr. Rocha's hypothesis is that by mimicking the octopus, the small and vulnerable jawfish can venture to new places.

Interesting. My questions are: did this relationship happen by chance, or over eons of evolution?

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