These are very territorial fish that are known to attack other creatures in the tank. Rainbow sharks are generally not recommended for beginners.
Combine this color with the dark black tone of your body and you will have a very intimidating fish. The fins are semi-transparent so you can see the sensitive rays. However, these fish also have bright red fins. Like the red-tailed shark, rainbow sharks also have a fiery red tail that stands out against a natural background. These creatures are sometimes called ruby sharks or red fin sharks and give each freshwater tank a nice pop of color. They actually have toxic dorsal fins, so be very careful when servicing the tank. These fish are predators and eat anything in the tank that is small enough to fit in their mouths. Teenagers are approximately 3 inches long, but can reach 20 inches or more. They prefer brackish water and should switch to salty water in adulthood. You need an aquarium that is at least 75 gallons in size, and it must be configured to resemble your natural environment with lots of plants and stones.Ĭolombian sharks are not the easiest to hold and may not be ideal for beginners. The Colombian shark is actually a big catfish and has the characteristic tall fins and long whiskers you expect.
A flake-based pellet is fine, but if you add prawns a couple of times a week, your red tail stays very happy. These sharks are not fussy about food, but like a variety of meat and plant foods. Red-tailed sharks are very territorial and can be very aggressive. One thing to keep in mind is that these sharks don’t like each other, so you can only have one in your aquarium.Īvoid other sharks and catfish, as well as fish with long fins. In fact, their preferred environment is an environment with lots of hiding places between plants, rocks, and driftwood, so a planted tank is the perfect place for them. The slender black body and the bright red tail are particularly noticeable in a planted tank. Red-tailed sharks look very characteristic. Just make sure that everything you choose is too big to fit in a Bala’s mouth and not too aggressive. They are not picky eaters, but they are omnivores and like a variety of foods.Ī good thought about bala sharks is that they are not particularly aggressive, so you don’t have to be too careful when choosing tank mates. So it’s a good idea to buy the biggest one you can afford. Balas, like most freshwater sharks, thrive in a large pool. On average, they become about a foot long in adulthood, although they can reach up to 20 inches.īalas need an aquarium that is at least 75 gallons in length and at least 4 feet in length so that they have enough space to stretch their fins. Young Bala sharks are only about 5 cm long, but don’t be fooled by their small size. 10 Types of Best Freshwater Aquarium Sharksġ0 Types of Best Freshwater Aquarium Sharks 1.
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