Tropical Aquarium Fish

Fish are aquatic vertebrates that are typically cold-blooded; covered with scales, and equipped with two sets of paired fins and several unpaired fins. Fish are abundant in the sea and in fresh water, with species being known from mountain streams (e.g., char and gudgeon) as well as in the deepest depths of the ocean (e.g., gulpers and anglerfish). They are of tremendous importance as food for people around the world, either collected from the wild or farmed in much the same way as cattle or chickens. Fish are also exploited for recreation, through angling and fishkeeping, and fish are commonly exhibited in public aquaria. Fish have an important role in many cultures through the ages, ranging as wide as deities and religious symbols to subjects of books and popular movies. (source:

An aquarium (plural aquariums or aquaria) is a vivarium consisting of at least one transparent side in which water-dwelling plants or animals are kept. Aquaria are primarily used for fishkeeping, although invertebrates, amphibians, and marine mammals are also housed in aquaria. The term aquarium combines the Latin root aqua, meaning water, with the suffix -arium, meaning “a place for relating to”. The aquarium has a long history and maintaining an aquarium has become immensely popular worldwide. Aquaria can come in a variety of materials, shapes, and sizes. They are typically constructed of glass or high-strength plastic. Cuboid aquaria are also known as fish tanks or simply tanks, while bowl-shaped aquaria are also known as fish bowls. Size can range from a small glass bowl to immense public aquaria. A number of components are used to maintain appropriate water quality and characteristics suitable for the aquarium’s residents. There are many types of aquaria, classified by the organisms maintained or the type of environment that is mimicked. (source:

The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the Tropic of Cancer in the northern hemisphere, at approximately 23 30′ (23.5) N latitude, and the Tropic of Capricorn in the southern hemisphere at 23 30′ (23.5) S latitude. This region is also referred to as the tropical zone and the torrid zone. This area includes all the areas of the Earth where the sun reaches a point directly overhead at least once during the solar year. (In the temperate zones, north of the Tropic of Cancer and south of the Tropic of Capricorn, the sun never reaches an angle of 90° or directly overhead.) The word “tropics” comes from Greek tropos meaning “turn”, because the apparent position of the Sun oscillates between the two tropics with a period that defines the average length of a year. Tropical plants and animals are those species native to the tropics. Tropical is also sometimes used in a general sense for a tropical climate, a climate that is warm to hot and moist year-round, often with the sense of lush vegetation. However, there are places in the tropics that are anything but tropical in this sense, with even alpine tundra and snow-capped peaks, including Mauna Kea, Mt. Kilimanjaro, and the Andes as far south as the northernmost parts of Chile and Argentina. Places in the tropics which are drier with low humidity but extreme heat are such as the Sahara Desert and Central Africa and Northern Australian Outback. (source:

Aquarium fish clubs are social rather than academic associations for fishkeepers. They are to be found around the world. Some aquarium fish clubs include members in all the different aspects of the hobby, while others concentrate on one particularly field, such as cichlids or marine fishkeeping. The two oldest aquarium clubs still in existence are Gotha Aquarium in Germany, founded 1882, and the Boston Aquarium Society in the United States, founded in 1912.

Tropical fish include fish found in tropical environments around the world, including both freshwater and salt water species. Tropical fish are popular aquarium fish , due to their often bright coloration. Fishkeepers often use the term tropical fish to refer only those requiring fresh water, with saltwater tropical fish referred to as marine fish.

Keeping a tropical aquarium will prove to be a very challenging task, and is not a decision to be taken lightly. If you consider yourself responsible and reliable, then there is no reason why you shouldn’t be able to keep fish in your home. Fish keeping is a hobby for everyone, both the young and old alike. The thousands of varieties of fish and plants now available means there’s something to offer all people, from keeping goldfish to marine corals- the opportunities are endless. This website will concentrate on freshwater tropical fish, and will hopefully give all the information required to help in setting up a tropical aquarium.

The temperature of the water forms the basis of one of the two most basic aquarium classifications: tropical vs. cold water. Most fish and plant species tolerate only a limited range of water temperatures: Tropical or warm water aquaria, with an average temperature of about 25 C (77 F), are much more common, and tropical fish are among the most popular aquarium denizens. Cold water aquaria are those with temperatures below what would be considered tropical; a variety of fish are better suited to this cooler environment. More importantly than the temperature range itself is the consistency in temperature; most organisms are not accustomed to sudden changes in temperatures, which could cause shock and lead to disease. Water temperature can be regulated with a combined thermometer and heater unit (or, more rarely, with a cooling unit).