How many cardinal tetras should be together?
It’s best to keep Cardinal Tetras in groups of at least six. A larger school will help the fish feel confident and help keep it healthy. Throughout the day, the fish will explore the tank and swim together.
Can I keep Cardinal tetras with discus?
Like Rummynose tetras, Cardinals are peaceful and easy to keep. Their shimmering red, blue and silver coloration compliments the discus beautifully and you’ll see them schooling tightly due to the presence of the larger fish.
What fish go well with Cardinal Tetras?
Some good tank mates include Neon Tetras, zebra danios, hatchetfish, mollies, dwarf gourami, angelfish, and guppies. Zebra Loaches, yoyo loaches, and Otocinclus work well if you are looking for occupants in the lower regions of your tank.
Are cardinal tetras shy?
Plants: Cardinal tetras are naturally shy and enjoy living in a tank that is heavily planted. Lighting: Cardinal tetras are native to dark waters. They can get stressed from a brightly lit tank.
Is 8 Cardinal tetras enough?
How many Cardinal Tetras should be kept together? The very minimum you should get is half a dozen tetras for a proper “school” of fish. These are social fish so they need at least as many friends to keep them company. As for a maximum number – the more the merrier, as long as your aquarium is large enough.
Do cardinal tetras breed easily?
Cardinal tetras are an active schooling fish, and they live peacefully in a community aquarium. Although they are difficult to breed in captivity, tetras remain a very popular aquarium fish.
Can discus fish live with Oscars?
Delicate species: Oscars are large, tough fish that tend to pick on tank mates. Avoid any delicate species such as Discus that require a peaceful environment to thrive. As a result, Oscar tanks tend to have high nitrates and generally aren’t the most pristine conditions.
Can you put angelfish with Cardinal Tetras?
It is better to add them when the angel is under 3″ or so. Angels rarely get the chance to eat fish in the wild, but when they do it is usually juvenile tetras, rarely a full grown one. However they do occasionally eat an adult NEON tetra, but cardinals are slightly larger.
Why are cardinal tetras so expensive?
They also cost more than many other kinds of tetras. They are usually wild caught. Neons are bred in captivity. There are some cardinals that are captive bred in Europe, but most are wild caught.
How do you raise cardinal tetras?
Breeding cardinal tetras is challenging at best. A separate breeding tank is important, and it must have stable water chemistry: a pH of 5.0 to 6.0, and very soft water of 3 to 5 dGH or below is essential. They will spawn in the evening, generally laying between 130 and 500 eggs.
Is a cardinal tetra a good starter fish?
These can be an excellent starter fish, but it will take the correct care to ensure they stay healthy, happy and live long lives. Cardinal tetras, scientific name being Paracheirodon axelrodi, is a popular freshwater fish that comes from the elegant Orinoco and Negro Rivers that pass through South America.
How long do cardinal tetras live in the wild?
In the wild, Cardinal Tetras are considered annual fish and have brief lives of about a year. Put them in a tank and their average lifespan increases to about 3-6 years. Once born, this species of tetra takes around 8-10 weeks to show color and at least 7 months to become sexually mature.
What causes cardinal tetras to get sick?
Introducing incorrect temperature water or improper chemistry can shock Cardinal Tetras and cause them to get sick or die. The ideal tank size will be no less than 20 gallons for a healthy school of at least six fish. Getting less than six can make it difficult for the fish to school together, leading to stressed fish.
How did the cardinal tetra get its name?
Cardinal Tetras get their name from their vivid cardinal colored ventral parts that run horizontally down the length of the fish’s body, bleeding into parts of the tail. Above the red stripe is an iridescent blue stripe that pairs with the red line parallel down the fish, stopping just before the tail with no bleeding.