Euphyllia are a popular genus of Large Polyp Stony (LPS) corals, commonly found in reef aquariums, known for their vibrant colors and large, fleshy tentacles. They include well-known species like Torch, Hammer, and Frogspawn corals, each with unique polyp shapes. These corals are relatively easy to care for, making them a good choice for both beginners and experienced reef keepers.