You can find five different types of ocean fish aquariums:
Fish only aquariums - This kind of aquariums contain just fish, number other form of underwater living is present. For this reason, they tend to be easier to take care of. Within the classification of saltwater fish, you will find two types: exotic and cold water. They can't coexist together due to the difference in water temperature. Warm fish tend to be more decorative, and this is exactly why you see more saltwater aquariums offering tropical fish.
Invertebrate only aquariums - This kind of aquariums include invertebrate creatures just, no other type of fish is present. Invertebrate usually are hermit crabs, shrimp, starfish, sea cucumbers or prawn, just to name a few.
Invertebrate and fish aquariums - This really is a mix of the previous two aquariums. These types of aquariums tend to be more difficult to maintain since some fish will feast upon invertebrates, and some invertebrates will prey on fish. You should do ample study so the fish and invertebrates you place together in a container won't acquari yourself eating each other.
Coral reef aquarium - These kinds of aquariums are extremely beautiful, but additionally very difficult to maintain. The reef itself is a full time income organism, so you have to be properly qualified in the wants and needs of this type of environment before seeking to put one together.
Specialty aquarium - These kind of aquariums will specialize in one kind of sea life. Like, an aquarium of only ocean horses, or sharks, as well as octopus. Every one of these species of marine living need very certain environments, therefore a specialty tank is used for that purpose.