Too much current in the tank. Since I doubled my output pump and added a stronger power head he hasn't been happy. He hasn't been the same since I sold his bass friends either. He eats sporadically, only off the bottom, sometimes just sits near the bottom breathing hard, he doesn't have a place in the tank to chill plus he's scared stiff of the rays. He's my oldest fish, had him since 6 inches, favourite non ray species of fish, but for his benefit I want him in a tank that he will thrive in. I'm happy he kept his blue though.
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