Three rare species of tetra fish that you’ve probably never seen before!

Tetras are one of the most popular groups of aquarium fish that typically live in alkaline water. For most tetra species, the pH level should be between 6.8 and 7.8, and the alkalinity of the water is between 3 and 8.

These fish can be kept in 10- to 20-gallon aquariums, but larger tanks provide more swimming space and are easier to care for. Tetras do best in large environments because they experience less stress and show off their beautiful colors better. Also, using dark substrate and decorations will make their bright colors stand out more. The lifespan of these fish is usually between 5 and 6 years.

Green Neon Tetra

The Green Neon Tetra is very similar in appearance to the Neon and Cardinal Tetras. For this reason, it can be easily confused with them, as its shade of green skillfully hides its color. Although it looks similar to its relatives, the color of its belly is a mixture of green that makes it distinct. Like most tetras, this fish is about 1.5 inches long.

Blue Tetra  

The blue tetra is native to the Amazon River and is bred and bred in the New Star Aquarium of Asia. The body of this fish is mainly dark blue or purple, but tends to be darker in the central part. This feature makes the blue tetra one of the most unique species in this family. If light shines parallel to the body of this fish, a rainbow reflection is created and eye-catching. This fish is usually 2.3 inches long and lives up to 3.5 years in the right conditions.

Emperor Tetra

A drop of royal blood in your aquarium!

The Emperor Tetra has earned its royal name due to its distinctive coloration and high resistance. The appearance differences between the males and females of this species make it even more attractive to aquarists. This fish requires more attention and is a favorite of many aquarium enthusiasts. It is native to Colombia and usually grows to a length of 1.5 inches.

Conclusion

Tetras are an exciting and beautiful species that come in over 17 different varieties. They are a good choice for beginners in aquarium keeping due to their hardiness. Their calm temperament also makes them ideal for large tanks with a mix of different species.