The bluefin killifish is usually a type of fish native towards the coastal waters in the southeastern U . s .. This fish is often called the Atlantic bluefin killifish, Gulf bluefin killifish, along with the bluefin mudfish. George Berninger Jr./Wikimedia Commons The masked angelfish is a surprising reef dweller https://malaysiaaquariumshop.school.blog/2025/03/14/how-to-enhance-your-fish-pond/