So how can I choose my first tropical fish or should I need to change my tank population? There are too many families of tropical fish, cichlids, catfish, and other bottom feeders, Characins, cyprinids, labyrinth fish, livebearers and much more. Make sure that your desired fish suit to your tank size and just pick one. Paradise Fish is a good option; it is very hardy and tolerates species.

Paradise Fishi s a beautiful blend of reds, blacks, blues, and whites. The Paradise Fish is a labyrinth fish that can survive in waters with low oxygen content by gulping atmospheric air with the aid of a special breathing organ in their heads. The paradise fish was discovered way back in the beginning of the aquarium hobby to be accurate it was the first tropical fish that was kept in aquariums. The Paradise Fish is hardy fish that suit perfectly to newly fish keepers. It found in East Asia from Korea to Northern Vietnam. The paradise fish can reach to 8-10 cm and first discovered by Linnaeus in 1758. The paradise fish is a carnivore, In its natural habitat, it eats mainly insect larvae, small crustaceans and other aquatic invertebrates. The fish is mostly accustomed to dry commercial foods, so will have no problem with these foods- make sure it is mainly meaty foods. This fish is durable to low water conditions. In large aquariums these fish need good filtration system with low to moderate water flow. If water flow is too strong, the fish will settle in a spot where flow is lowest and will hardly move from it. When kept in a jar, water should be changed every week- the amount of water changed, depends on the jar's volume. These versatile fish can be successfully housed and bred in both aquariums and garden ponds. The paradise fish adapts to wide range waters but prefers water less than very hard.

It is very easy to breed, Paradise Fish are bubble nest breeders. Put one male and one female (she has to be full of eggs, check her belly’s size) into aquarium of 80-100 liters and let them breed. Conditioning is made by feeding the fish live or frozen foods about two to three times a day, and making frequent water changes. Conditioning should take about two weeks at least, and can take up to one month, depending on the food quality and water temperature. After the couple is ready put the male on day one and the female in on day two. They will build a bubble nest and spawn in it. The male will guard the eggs. This is the time to remove the female. The male will guard the young for 3 days. After 3 days the male should removed from the tank otherwise he will eat the fry. Juveniles are peaceful toward others of the same species, but as they grow up, aggression increases. When fry accept crushed granules, they start to grow even though crushed food and fry food are ok, live food is essential. Artemia or frozen cyclops can be used.

Another common and hardy tropical fish is a marine fish, The yellow tang. The Zebrasoma flavescens or by its common name yellow tang is one of the most common and popular fish all over the world. The Yellow Tang is a very hardy fish that is not territorial except with any other flavescens tangs especially from the genus Zebrasoma. The yellow tang have very sharp white colored barbs around the tail area those barbs can inject poison. its beautiful yellow color along with his character and the fact that it is the less prone to disease than the other Tangs Makes the yellow tang very common and wanted fish in reefs and marine fish tanks.

Like al the tangs the Zebrasoma Flavescens is herbivores also. In the wild the Zebrasoma Flavescens feeds on micro and macro algae. In captivity they should get "green" food, lettuce and nori algae with flakes and pellet food can complete their diet. It is peaceful fish but can be aggressive towards other flavescens tangs. The yellow tang requires 70 gallon tank and up with a lot of hiding places and plenty room to swim. Strong aeration and well filtered water are essential. Unfortunately there is no evidence of breeding yellow tangs in home aquariums.

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