Hello fellow fish lovers! I have 5 Buenos Aires Tetras in a 150 gallon tank along with some others (3 black Molly, 8 GloFish Tetra, 2 Pineapple Swordtails, 1 Cory Cat, 1 Pleco, 1 black Skirt Tail Tetra, and 2 see through fish[I'm not sure what they are]) I've noticed that my Aires Tetras are...