X-ray Tetra (Diet, Appearance, and Interesting Facts)

X-ray Tetra

X-ray Tetra, scientifically known as Pristella maxillaris, is a tropical fish with a see-through body.

It belongs to the Pristella genus and is also called the X-ray fish.

This fish is found in various water environments like the Amazon and Orinoco basins, as well as coastal rivers in the Guianas.

X-ray Tetras are small fish that swim in big groups.

They prefer calm waters with lots of plants and enjoy eating worms, small crustaceans, and insects in their natural environment.

X-ray Tetras are popular among aquarists due to their hardiness, peaceful nature, and pretty colors.

These fish thrive when kept in a group of at least five fish in a tank that’s at least 60 cm (about 24 inches) long.

X-ray Tetra Interesting Facts

  • X-ray Tetras have see-through bodies and can live in various water environments, including acidic, alkaline, or slightly brackish waters.
  • These fish are small (about 2 inches long) and swim in large groups, with males being smaller and thinner than females.
  • They mostly eat insects and tiny water animals such as worms and small crustaceans.
  • Aquarium enthusiasts love them for their strength, peaceful nature, and beautiful colors; they’re also easy to breed.

X-ray Tetra Habitat

X-ray Tetra is found in South America, specifically in the Amazon, Orinoco, and coastal rivers of the Guianas.

This fish lives in freshwater and swims near the surface. It can live in acidic, alkaline, and even slightly brackish waters.

X-ray Tetra prefers a pH range of 6.0 to 8.0, and a water hardness (dH) up to 35.

The ideal water temperature for this fish is between 75°F to 82°F (24°C to 28°C). It thrives in tropical environments.

Water Temperature:75°F to 82°F (24°C to 28°C)
Water pH:6.0 to 8.0 pH
Water Hardness:Unknown

X-ray Tetra Physical Characteristics

Size: 1.8 inches (4.5 centimeters)

X-ray Tetra grows up to 1.8 inches (4.5 centimeters) long. Males are smaller and thinner than females.

X-ray Tetra Reproduction

Breeding X-ray Tetras is easy in captivity. These fish lay around 300 to 400 eggs at once.

X-ray Tetra Scientific Classification

Scientific Name:Pristella maxillaris
Also Known As:X-ray Tetra
Conservation Status:Unknown

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