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Vertebrate with the largest brain to body ratio.


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Mormyrid fishes have the largest branes compared to body size of any vertebrate and it would seem the part that is the biggest is the part we use to think! I knew they had large brains but this video astonished even me. I have a mormyrid right now, I've had his for 6 months and he has some quite interesting behaviors. One of which is his interest in moving magnets and his voracious apatite. He uses his electric field to bully the other fish away from food and eats like a pig. This video, if anyone is interested, at least partially explains his eating habits and the composition of his brain.   



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