X-Ray Tetra - Pristella maxillaris

X-Ray Tetra (Pristella maxillaris), also known as the Golden Pristella Tetra or Water Goldfinch, is a hardy and adaptable schooling fish. Its translucent body gives it a unique “x-ray” appearance, while its brightly marked fins add a splash of color to community aquariums.

Description:

Common Name: X-Ray Tetra, Golden Pristella Tetra, Water Goldfinch

Scientific Name: Pristella maxillaris

Family: Characidae

Size: 1.5–2 inches

Temperament: Peaceful

Difficulty: Easy

Native Region:

South America (Amazon and Orinoco river basins, coastal rivers of Guyana, Suriname, and French Guiana)

Aquarium Setup:

Tank Size: Minimum 15 gallons

Temperature: 72–82°F

pH: 6.0–7.5

Hardness: Soft to moderately hard

Decor: Planted tanks with open swimming space and gentle filtration

Additional Tips:

• Schooling fish: Best kept in groups of 6 or more

• Tankmates: Excellent with other peaceful community species

• Diet: Omnivorous – readily accepts flakes, micro pellets, and small frozen foods

• Behavior: Active mid-level swimmer that brings movement and subtle beauty to the aquarium