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Minggu, 16 Mei 2010

Betta


The Betta genus is a part of the Gourami family (Osphronemidae). Earlier, the Betta genus was considered a part of the Anabantidae family. The reason behind this is the fact that all Betta species have labyrinth organs, just like the Anabantidae species. The labyrinth organs make it possible for Betta and Anabantidae species to absorb oxygen directly from the air. It is an adaptation to a life in low oxygen waters. Some irresponsible fish stores sell Betta fish in vases and tiny bawls without any form of aeration, and claim that the Betta will do well in such a tiny space since the fish can breathe oxygen from the air. It is true that many Betta fishes will survive in such conditions, but there is a huge difference between merely surviving and really doing well. One of the most commonly kept Betta species, the Betta splendens, can grow larger than 7 cm (3 inches) and will require at least 3 gallons of water to do well. Other Betta species will have other requirements, depending on size and temperament.

The Spotted betta, Betta picta, is the type species for the genus Betta, but as mentioned above the most commonly kept and well known Betta is another species – the Betta splendens. When the term Betta is used in everyday language it often refers not to the genus but to this particular species. Betta splendens is also called Siamese fighting fish and the males are highly territorial and will fight each other viciously if placed in the same aquarium. Betta splendens have been extensively bred and can today be obtained in numerous variations. There exist at least 13 different colourations and an abundance of tail configurations. A male Betta splendens can be easily recognised by his long and flowing fins. The females are without such extravagances, and they are also considerably smaller than the males – 1.5 inches compared to the 3-4 inches of the male.

When you buy a Betta you should choose an individual that is energetic and have an open finnage. A male Betta with clamped fins is weak, ill or suffering from stress. Since a Betta seldom becomes older than 2 years it is unadvisable to buy a large Betta. A large Betta is usually an old Betta, and will not live for very long in your aquarium. Also take a closer look at the skin and fins of all the fishes in the Betta aquarium. Bettas are sensitive to external parasite infestations, and many Bettas suffer from ichthyophthiriaisis (ich) and oodiniumiasis (velvet). Do not buy Betta from an aquarium where one or more fishes show signs of illness, since the Betta might be infested but still not showing any signs. You can find Betta splendens in most ordinary fish stores. Those interested in breeding Betta should however consider buying their Betta directly from a recognized breeder. It will be more expensive, but you can get Betta with a much higher quality and the fish will more suitable for breeding.

Since the Betta is a tropical fish it requires warm waters to do well. Bettas are sometimes sold in unheated vases and tiny bawls, and can freeze to death if the temperature in the room where they are kept is to low. The water temperature should always be in the 80-85 F range. Many Bettas also die from jumping out of their aquarium, so a good cover in recommended. Decorate the aquarium with live plants and avoid any unnecessary surface movements. Bettas prefer a pH of 7 or slightly below, and moderate water hardiness.


Since the male Betta is extremely territorial several males should not be kept together in the same aquarium. It is better to keep just one male Betta with several female Bettas; as long as you make sure that the female Bettas have a lot of good hiding spaces in the aquarium. The male Betta is not only aggressive towards other males; he will chase the female Bettas around as well and without suitable hiding places the female Bettas will become much stressed. You can of course keep only female Bettas to avoid this problem, or keep a male Betta with nothing but other species that won’t be harassed by him. Betta is often kept with Swordfish, Platy, Angelfish and small Gourami species.

You can feed your Betta meaty foods (fresh or frozen) or special Betta pellets. Your Betta might need a little help to understand that pellets are actually food. If your Betta refuses to eat pellets for a long time you should offer it other types of food, since Betta fish sometimes starve to death when they fail to understand that they are supposed to eat pellets. Your Betta will more readily accept meaty foods, including brine shrimp, tubificids, daphnia, blood worms and grindal worms. Feed your Betta twice a day or more. If you have other species in the aquarium you might need to lure them away to make sure that your Betta gets any food at all.

Betta Fish

Betta fish is one of several genera in the Family Osphronemidae. The most famous Betta is the Siamese Fighting fish (Betta splendens). The word Betta comes from a local Siamese name for Siamese Fighting fish, “Ikan Bettah”. The contemporary Thai name for this fish is Pla-kad. Since Bettas – especially the Betta splendens – are so popular among aquarists, we have given these fishes their own section here at AC Tropical fish. If you want to read about the other genera in the Family Osphronemidae, you will find a lot of useful information in the Gourami section of the articles library.

Siamese Fighting fish is not the only Betta fish that is well liked by aquarists. The Betta genus contains more than 50 described species. Most of them can be kept in aquariums but it is only a few species that are commonly kept by other aquarists than the true Betta enthusiasts. One of the most frequently kept Betta species aside from the Siamese Fighting fish is Betta imbellis – the Peaceful Betta. The Peaceful Betta is native to Malaysia and can reach a maximum size of 8 centimeters (3 inches). As the name suggests, it is a docile fish compared to the Siamese Fighting fish and the Peaceful Betta can do well in a community aquarium with other tranquil and non-aggressive species. The ideal water temperature is between 24-28ยบ C (75-82° F) and the pH should be kept in the 5.5-7.0 range. Wild Betta imbellis inhabit densely grown waters and you should therefore provide your Betta imbellis with plenty of hiding places by decorating the aquarium with lots of plants. A Betta imbellis without any hiding places will become extremely stressed.

In South East Asia Betta splendens is traditionally kept as a fighting fish. The Bettas kept in Asia as fighting fishes were brown with a tinge of green and their fins were much smaller than the fins that we can see on the aquarium kept Bettas of today. If you keep a Betta fish in order to make the fight other Bettas, you will naturally have no incitements to breed fancy Betta fish with long and flowing fins that can easily be injured. Betta fighting is still popular in many parts of Asia and those Bettas can look very different from the forms that we find in aquariums. Male Betta splendens are highly territorial, and when put together in the same container they will fight until one of them dies. In the wild, a weaker male can always choose to leave the territory before he becomes deadly injured, but this is naturally impossible in a small fish bowl or aquarium.

The Betta fish species were quite unknown among European and American scientists and fish enthusiasts until the early 19th century. The King of Siam at that time was allegedly a huge Betta fan and he loved to attend Betta fights. A doctor named Theodor Cantor was given a Siamese fighting fish, supposedly directly from the King of Siam, when the doctor was working in Siam. He became fascinated by the Betta fishes and studied their behavior for 10 years before he published an article about them. He called his fish Macropodus Pugnax. A few years after the turn of the century, another doctor developed a similar fascination for these interesting fishes. His name was Dr. Tate Regan and he changed the name Macropodus Pugnax to Betta Splendens.