Tetras are a group of mostly smaller, schooling fish. The most know tetra is the neon. Its bright red and blue horizontal stripes make this a popular choice among freshwater fish keepers. At our store we carry a wide variety of tetras with over 20 kinds currently in stock. You should come in and check out the tank raised HY511/peppermint tetras which we try and keep in stock. Other unusual verities include, Congo, Costello, and red fin blue Colombian.