Lemon Tetra (Hyphessobrycon pulchripinnis)

The Lemon Tetra is one of the most popular community fish in the aquarium hobby, beloved for its bright yellow coloration, peaceful nature, and active schooling behavior. Whether kept in a planted aquascape or a classic community tank, a school of Lemon Tetras provides both color and constant motion. Their golden tones stand out especially well against dark substrate and lush green plants.

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Behavior & Compatibility

Lemon Tetras are peaceful shoalers that thrive in groups of 6 or more. They spend most of their time in the top and middle levels of the water column but also feed in lower areas.

They are safe with most other small, gentle fish and larger peaceful invertebrates. While they may occasionally nip at very small shrimp, adults are generally safe. They should not be housed with aggressive or overly boisterous species that could intimidate them.

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Care & Feeding

Tank-raised and adaptable, Lemon Tetras do best in soft, slightly acidic water enriched with tannins and leaf litter. They require clean, well-maintained water to remain healthy and display their best coloration. Floating plants help diffuse lighting and bring out their natural golden glow.

They are omnivorous and will accept a wide variety of foods:

• High-quality flakes and micro pellets

• Frozen and live meaty foods such as brine shrimp, daphnia, and bloodworms

• A varied diet helps maintain their vibrant coloration and overall vitality

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What We Like About This Fish

• Striking, bright yellow coloration and finnage

• Peaceful and community-friendly

• Active schooling behavior that brings constant movement

• Beautiful highlight for planted aquariums

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Recommended Tank Parameters

• Temperature: 68–82°F (20–28°C)

• pH: 5.0–7.5 (slightly acidic preferred)

• KH: 3–12 dKH

• Minimum Tank Size: 20 gallons (school of 6+)

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Care Guidelines

• Diet: Omnivorous – flakes, pellets, frozen/live foods

• Social Behavior: Peaceful, schooling/shoaling; keep in groups of 6+

• Origin: Tank-bred (native to South America)

• Adult Size: 1.4–1.6 in (3.5–4 cm)

• Purchase Size: 0.25–1 in (0.6–2.5 cm)

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✨ With their radiant color and lively demeanor, Lemon Tetras are a classic community fish that brighten up any peaceful freshwater aquarium.