So how can I choose my first marine fish or should I need to change my tank population? There are too many families of marine fish, Blenniidae, Gobiidae, labroids, Chaetodontidae, Pomacanthidae, Acanthuridae and much more. Make sure that your desired fish suit to your tank size and just pick one.

Yellow tang for example is a hardy species that can tolerate some newly fishkeepers mistakes. The yellow tang known also as Zebrasoma flavescens. It 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 these barbs can inject poison. It's beautiful yellow color along with its character and the fact that it is the less prone to disease than the other Tangs Makes the yellow tang very common and sought after marine fish in reefs and marine tanks.

Like al the tangs the yellow tang is herbivores also. In nature the the yellow tang feeds mostly on micro and macro algae. In our marine fish tank they should get "green" food, lettuce and nori algae with flakes and pellet spirulina based can complete their diet. It requires 65 gallon tank and up with a lot of rockwork and plenty of room to swim. Strong aeration, good protein skimmer and well filtered water are essential for the yellow tang.

Another common marine fish is the tomato clown fish. The Tomato Clownfish is one of 27 known Clownfish species in nature. Tomato clownfish are known to inhabit lagoon reefs, the female of the species is larger then the male, once in an established pair, the female is darker then the male which keep its beautiful red orange color. The tomato clown fish prefer the Entacmaea quadricolor, Carpet Anemone or Heteractis crispa as a host Anemone but also does fine without a host anemone. As with all clownfish, most are born as males, and the dominant male will change to a female. The tomato clown fish is an omnivore.

In the wild its diet based on various planktonic items, algae's and small crustaceans such as shrimps and small crabs. In our fish tank, a varied diet is essential. Will accept commercial food (flakes and pellets). Frozen or live food such as brine shrimp is recommended. It requires minimum tank size suggested is about 20 gallon; the tank must be filled with lots of hiding places. Avoid keeping them in an aquarium with predatory fish large enough to eat them.

Picasso Triggerfish has astonishing colors and patterns on its body the Picasso triggerfish is one of the most beautiful marine fish hobbys like to have in their marine fish tank. In Hawaii the Picasso Triggerfish is the state fish and known as "Humuhumunukunuku apua'a", Picasso Triggerfish, has a wacky, painted appearance. It has a tan body with gradient dark bands, and vibrant blue and black bands on the top of the head, with a shiny yellow stripe from cheek to cheek and deeply set-back eyes.

The Picasso triggerfish feeds on all kinds of live, frozen, and flake foods, be sure to feed him 3-5 times a day, they also will like squid, shrimp (the same kind people eat), mussels, and all kinds of chopped up fish- if you feed him with all food mentioned above you will enjoy a vital fish and the fish will thank you by showing its beautiful colors of his. The Picasso triggerfish should at least be in 70 gallon tank, do not put more than one Picasso triggerfish in the same tank .Before you go to purchase your first Picasso triggerfish you must know that it should be kept in temperatures between 72 and 78 degrees Fahrenheit. A pH value of 8.1 or 8.4, and a specific gravity of 1.020 to 1.025 should be maintained. If you keep these water conditions you will enjoy of a beautiful Picasso triggerfish.