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Jump in communication skills led to species explosion in electric fish

Harlequinmania

By Harlequinmania,
in General Reefkeeping_

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Harlequinmania

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The Mormyridae, a family of African fishes that communicate by means of weak electric discharges, has more than 200 species. New work shows the fishes evolved a complex signal-processing brain before a burst of speciation. Together with other evidence the finding suggests brain evolution triggered diversification.

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1000 Gallon Tank in the Hole 

http://www.sgreefclub.com/forum/topic/120957-1000-gallon-3d-hole-in-the-wall/ 

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