Are bullfish freshwater

Will aluminum harm live fish I am trying to find a way to divide my tank will an aluminum-foil pan with holes in it work? How do I make my apple snail stop reproducing even though it's the only large snail in the tank? How do you breed a molly and can different types of mollys mate? Are all algae the same? When is the best time for bluegill fishing on rice lake in Ontario? The interactions that occur in a pond are part of a(n) .? How do discus fish communicate? Why are sea horses dangerous? What can kill great white sharks? Is a green fly a producer? How do you make Black molly or guppy fishes to breed with other breeds to mix them? What is a Betta fishes niche? What is the domain of a blob fish? When was Green swordtail created? Do goldfish need freshwater or saltwater? What are the biotic and abiotic faction in a freshwater biome? What kind of fish do heron eat? What does it mean when a Betta fish flaps its wings while not swimming around? What is sand sharks home like? Are seahorses hermaphrodites?