Today, saltwater fish are more popular than ever due to the advances that have been made in filtration systems and the plethora of information that is available to help newcomers become acquainted with this hobby. At a good saltwater fish store, Los Angeles hobbyists can find everything from the tank to the fish to the live coral to the equipment, as well as books and practical advice to help get started. With a reef aquarium, however, comes a great responsibility to maintain the environment and do everything to ensure that the life forms within remain healthy and happy. One thing that saltwater fish owners often do to eliminate many single-celled external parasites is to dip them in freshwater; and freshwater fish can be dipped in sea water for the same purpose. This is usually something that people do right after getting new species from the saltwater fish store. Los Angeles hobbyists can't count on this practice to completely eliminate the risk of introducing parasites to a reef aquarium, but it will help minimize the number of parasites brought in. Saltwater fish make a great addition to the home and their aquariums make a great centerpiece for whichever room they are placed in, but having just fish and nothing else can get a little boring both for the owners and for the fish. Adding live coral, decorative plants and rocks helps make the aquarium more beautiful, and many species of fish prefer to have something to hide behind that is similar to the natural environment of the ocean. Some people even find that live coral alone is enough to make the aquarium complete, and forgo the fish altogether. After visiting a saltwater fish store, Los Angels hobbyists are sure to find the possibilities of their new reef aquarium exciting, whether they decide they want it to have fish or not. It's a great hobby for Los Angeles residents, since they are so close to the ocean environment to being with.