Red Tail Black Shark

Red Tail Black Shark £8.29 Red Tail Black Shark is another popular choice for larger community aquariums. This fish will grow surprisingly large and can be somewhat temperamental. Native to Thailand, these fish are actually Cypriniformes, more closely related to barbs and loaches than any shark. They are often quite bland in shops, but a few weeks in a proper aquarium will see them colour up and flourish.