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Here is a tri-color butterfly male betta. He is red, blue, and white. And this beta fish is a halfmoon.

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PISTOL SHRIMPSuper Family: Alpheoidea©Ellen Muller You may notice that one claw of a pistol shrimp is much larger than the other, and very strangely shaped. This large claw serves as both its lethal weapon, and its voice. This claw can be forcefully snapped shut, shooting a jet of water out at such a high speed that it actually vaporizes the water. This causes a small air bubble to form. The bubble collapses with enough force to send concussive shockwaves capable of stunning and ...

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