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Rosetail betta fish also known as Siamese fighting fish are water fish native to southeast Asia, especially Malaysia, Thailand, Laos, Cambodia, and Vietnam. Till now 73 betta species discovered, and all these species are acquired from the betta splendens. It is one of them. Till now a total of 37 varieties of Siamese fighting fish discovered. All have different colors, shades, tails, and fins. Via selective breeding, you can create beautiful specimens.
Rosetail betta is a result of selective breeding, you can say that this is a version of the half-moon betta. They have a beautiful 180-degree extended finnage which carries the attention of everyone and makes the theme unique in the crowd. They can grow up to 1.5 to 3 inches in a lifetime.
Rosetail betta is water fish so they prefer to live in warm environments with a temperature range between 75- 82 F (24 to 28 C). They like acidic water, and the pH value is between 6.0 to 7.5. the hardness should be 5- 20dH.
Rosetail betta is a territorial fish that often displays aggression towards the same tendency, even if you can put two betta together, they end up killing each other and injuring each other.. if you put them together closely monitor their movement.
A betta has a special organ which is called a labyrinth organ, with the help of them they inhale oxygen from the air and survive sometimes out of the water.
Rosetail betta generally prefers a carnivore’s diet. Their primary diet consists of kelp and red and green algae. They are foodie, eating different types of small invertebrates such as anemones, crustaceans, and sponges. They can eat animal protein-rich and plant-based food. You can offer them pellets occasionally.
Rosetail betta live in 3 – 5 years. The betta predators are seals, large fish, and marine birds on Santa Catalina Island. They are taken as a by-catch by the commercial perch fisheries and sold fresh in the fish market. Human activity destroys their habitat. Water pollution and chemical plantation destroy their natural habitat.