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When they meet, sarcastic fringeheads can get mouthy. These bug-eyed, bright-lipped fish often open their giant jaws to show off the psychedelic hues splashed across the inside of their mouths. And ...

You’re considering new fish for your home aquarium, but all you see in your local pet store are the usual guppies, tetras, and small cichlids. You want a more unusual fish that stands out from the ...