Bloodfin Tetra Facts


If you are seeking a hardy, easy-going and lovely fish for a community tank, then adding bloodfin tetra to your tank is the perfect addition.

Because bloodfin tetras are quite docile, they make excellent tankmates with others in a tropical, community tank. They do however get quite active during courtship. In fact, they sometimes have been known to leap out of the water during this time!

Bloodfin tetras are schooling fish, so they do best when there are at least 5 or 6 of them in the tank together. The bloodfin tetra gets its name from the red color of its fins (tail, dorsal, anal and adipose). Their bodies are silver in color.

Bloodfin tetras are on the larger side, growing to be about 2 inches. They also have fairly long life-spans and can live up to 10 years.

The ideal temperature for tetras spans a fairly large range – from 64 to 83 degrees Farenheit. However, if you want to your bloodfin tetras to maintain the vibrant red color of their fins, it’s advisable to keep the water on the higher end of this range.

As an egg layer, the bloodfin tetra are happiest in soft, slightly acidic water. A good pH range is 6.0 to 8.0. For breeding, soft water is highly recommended.

The bloodfin tetra will eat a variety of food, and is an omnivore. Choose high quality flake, fresh and live foods. They are quite active, so they should be fed 3 to 4 times per day. Feed them as much as they can eat within the first 3 minutes. If you want to give them a treat, blood worms or brine shrimp are good choices.

A good tank size for the bloodfin tetra is a 20 gallon tank. Since they are a schooling fish and prefer to have companions (at least 5), try not to keep them in a tank smaller than 20 gallons.

If you are planning on breeding bloodfin tetras, low lighting is recommended. The bloodfin tetras are egg layers, laying from 300 to 500 eggs.

To prepare the fish for breeding, feed them high quality foods, such as live brine shrimp. Be sure to prepare the tank with wide-leaved aquarium plants. The female will place her eggs on these leaves. Like many fish, bloodfin tetras will eat the eggs that they lay, so you must remove them from the tank, or else prepare a separate breeding tank ahead of time and remove the parents after the eggs are laid.

When first hatched, the fry will feast off of their yolk sacs. After that is exhausted, you will need to begin feeding them liquid fry food. After about a week, you can then begin feeding them baby brine shrimp.

As you can see, the bloodfin tetra is an excellent community fish that you will be able to enjoy for a long time!


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