![]() Gouramis are well known for their long trailing dorsal fins that resemble feelers. Gourami are large graceful tropical freshwater fish that generally swim near the top of the tank. Gouramiīlue gourami and dwarf gourami will add stunning look to your fish tank Generally, guppies grow up to 2” (5 cm) long. Guppies are happy to eat fish flakes and the occasional live brine shrimp. Guppies swim in shoals and you should have 5 or 6. When populating your freshwater aquarium with guppies, it’s important to have a few together. Other cool guppies have single-colored iridescent bodies with a large contrasting colored tailfin. Some of the most unique freshwater guppies are the varieties with black and red leopard-like patterns on their tail. You can also find varieties that are single-colored or are multicolored. Some fancy guppies have stunning colors that are iridescent, bright orange, yellow, orange-red, blue, or green. One of the many attractions of guppies in heated freshwater tanks is their beautiful colorful pattern. There are swordtails, fantails, spade tails, and veil tails. You will also find that there are many varieties of guppies with different fin shapes. Some of these colorful tail fins give this cool small fish a larger appearance. Guppies that are bred for their decorative appearance usually have showy dorsal and tail fins. Guppies are not only some of the easiest tropical fish to care for, but there are also many colorful and exotic varieties to choose from. Leopard guppies can come in various tail colors and are one of the prettiest freshwater fish ![]() Bettas are usually low-maintenance fish and don’t bother other fish, as long as they are not other bettas. It is also important to avoid putting them in a community tank with smaller fish that like to nip fins. In your tank, you should just keep one male to avoid any fighting. These cool freshwater fish can be territorial and aggressive towards other fish. Some tropical bettas have multicolored patterns with vibrant contrasting colors. It’s not unusual to see bettas with deep red, purple, blue, or metallic colors. Some of the coolest fish have brilliant flowing fins in some of the most striking colors you will find on any fish. ![]() When choosing the perfect species of betta for your tropical aquarium, there are so many beautiful different species to choose from. Ideally, the water should be between 75 and 82☏ (24 – 28☌). Like most freshwater tropical fish, bettas should be kept in a heated fish tank. With their large showy fins and beautiful colors, they also have to be some of the coolest fish in your tank. The colorful betta is one of the most unique and cool freshwater aquarium fishīettas, also called Siamese fighting fish, are one of the most popular exotic aquarium fish.
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