1. The ceramic material used to make this Aquarium Ceramic Pot is not only durable and long-lasting, but also possesses a filtration function for the aquarium. 2. Many fish love to go inside this special Aquarium Ceramic Pot to hide, sleep, and explore, mimicking their natural behavior in the wild. It creates a sense of security and comfort for your aquatic pets, allowing them to thrive and flourish in their environment.