Lemon Tetra
The Lemon Tetra is a beautiful and peaceful schooling fish prized for its bright yellow coloration, striking red eyes, and active swimming behavior. This classic South American tetra is an excellent choice for planted and community aquariums, where its vibrant color and graceful schooling movements create a stunning display. Hardy, adaptable, and easy to care for, Lemon Tetras are ideal for both beginner and experienced aquarists.
Approximate Shipping Size: 1–1.5 inches
Appearance
Lemon Tetras feature a translucent yellow to golden-yellow body highlighted by vivid red eyes and contrasting black markings on the dorsal and anal fins. Their coloration becomes more intense as they mature and when kept in optimal conditions. In larger schools, their bright yellow hues create an impressive visual effect against plants and dark backgrounds.
Temperament & Behavior
These tetras are peaceful, active fish that thrive in groups of six or more. They display natural schooling behavior and spend most of their time swimming in the middle levels of the aquarium. Larger groups encourage confidence, stronger coloration, and more natural behavior.
Care Requirements
Lemon Tetras are hardy and adaptable, thriving in well-maintained aquariums with stable water parameters. A planted setup with open swimming space helps them feel secure while showcasing their vibrant colors.
Tank Size: 20 gallons minimum
Temperature: 72–82°F
pH: 6.0–7.5
Hardness: Soft to moderate
Aquascape: Live plants, driftwood, open swimming areas
Tank Mates
Compatible with a wide variety of peaceful community fish including Corydoras, rasboras, other tetras, dwarf gouramis, peaceful rainbowfish, and livebearers. Avoid aggressive species that may harass or outcompete them.
Diet & Feeding
Lemon Tetras are omnivores that readily accept high-quality flakes, micro pellets, frozen foods, and live foods. Supplement with brine shrimp, daphnia, and bloodworms to promote vibrant coloration and healthy growth.
The Lemon Tetra is a beautiful and peaceful schooling fish prized for its bright yellow coloration, striking red eyes, and active swimming behavior. This classic South American tetra is an excellent choice for planted and community aquariums, where its vibrant color and graceful schooling movements create a stunning display. Hardy, adaptable, and easy to care for, Lemon Tetras are ideal for both beginner and experienced aquarists.
Approximate Shipping Size: 1–1.5 inches
Appearance
Lemon Tetras feature a translucent yellow to golden-yellow body highlighted by vivid red eyes and contrasting black markings on the dorsal and anal fins. Their coloration becomes more intense as they mature and when kept in optimal conditions. In larger schools, their bright yellow hues create an impressive visual effect against plants and dark backgrounds.
Temperament & Behavior
These tetras are peaceful, active fish that thrive in groups of six or more. They display natural schooling behavior and spend most of their time swimming in the middle levels of the aquarium. Larger groups encourage confidence, stronger coloration, and more natural behavior.
Care Requirements
Lemon Tetras are hardy and adaptable, thriving in well-maintained aquariums with stable water parameters. A planted setup with open swimming space helps them feel secure while showcasing their vibrant colors.
Tank Size: 20 gallons minimum
Temperature: 72–82°F
pH: 6.0–7.5
Hardness: Soft to moderate
Aquascape: Live plants, driftwood, open swimming areas
Tank Mates
Compatible with a wide variety of peaceful community fish including Corydoras, rasboras, other tetras, dwarf gouramis, peaceful rainbowfish, and livebearers. Avoid aggressive species that may harass or outcompete them.
Diet & Feeding
Lemon Tetras are omnivores that readily accept high-quality flakes, micro pellets, frozen foods, and live foods. Supplement with brine shrimp, daphnia, and bloodworms to promote vibrant coloration and healthy growth.

