Betta fish are popular aquarium fish known for their vibrant colors and flowing fins. Red betta fish are some of the most popular types of betta fish, and they are sure to turn heads in any aquarium. Red betta fish come in a variety of shades, from bright orange to deep crimson. They can also have different fin shapes, such as veiltails, halfmoons, and plakats. Red betta fish are relatively easy to care for. They need a tank that is at least 5 gallons in size, with a heater and filter. They should also be fed high-quality betta food. A cute custom cursor with Red Betta Fish.