The most popular freshwater sharks are rainbow sharks, bala sharks, and purple-tail sharks. Some of these fish have In a natural way bold colours, but check out the Glofish Sharks if you want a fish that really shines! The Black Ghost Knife fish delivers more unusual form and movement on https://www.mediafire.com/file/uh9ek1cedypgolg/3_Must-have_Things_While_Building_an_Aquarium/file