Basics of Rainbowfish Care. You should only keep rainbowfish from the Melanotaeniidae family in freshwater aquarium set-ups. Before bringing your new pet home make sure that you haven’t ...

If you want to adopt Rainbow Fish or any other pet, you can call the Humane Society of St. Joseph County at 574-255-4726 or you can just stop by the shelter at 2506 Grape Road in Mishawaka.

Unlike their larger counterparts, rainbow sharks are actually small freshwater fish that are perfect for many home aquariums. But — as their shark name implies — these fish have some ...