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Hyphessobrycon pulchripinnis
Lemon Tetra (Hyphessobrycon pulchripinnis) is one of the most elegant and vibrant freshwater fish for planted aquariums and aquascaping layouts. Native to the clear and slow-moving tributaries of the Amazon basin in Brazil, this small yet striking tetra is highly valued for its translucent golden-yellow body, vivid red eyes, and subtle black and yellow accents on its dorsal and anal fins. Its shimmering appearance under proper aquarium lighting makes it a standout species in natural aquascapes.
Growing to around 4–5 cm (1.5–2 inches), the Lemon Tetra is an ideal nano-to-medium community fish. It thrives in schools of six or more individuals, displaying more confident behavior and enhanced coloration when kept in groups. In well-maintained aquascaped tanks with live plants, driftwood, and soft substrate, their colors intensify, especially when housed in slightly acidic to neutral water conditions.
A planted aquarium with fine-leaved species such as Rotala, Myriophyllum, or mosses creates the perfect environment for Lemon Tetras. The contrast between their bright yellow bodies and lush green backgrounds produces a visually balanced and harmonious aquascape. Soft, diffused lighting enhances their metallic sheen while preventing stress, closely mimicking their natural habitat beneath forest canopies.
Lemon Tetras prefer water temperatures between 23–28°C (73–82°F), a pH range of 6.0–7.5, and gentle filtration that maintains stable water parameters. They are peaceful and coexist well with other small community species such as Corydoras, other tetras, rasboras, and dwarf cichlids. Their calm temperament makes them suitable for both beginner and experienced aquarists.
Diet-wise, they are omnivorous and accept high-quality flakes, micro pellets, frozen foods, and live foods such as daphnia or brine shrimp. A varied diet enhances their coloration and overall health. Regular water changes and stable conditions are key to maintaining their vibrant appearance and active schooling behavior.
In aquascaping compositions, Lemon Tetras are often used as mid-water schooling fish that add movement and color without overwhelming the layout. Their semi-transparent bodies allow light to pass through, creating a natural and dynamic underwater aesthetic that complements nature-style and biotope aquariums alike.
Whether you are building a lush nature aquarium or a minimalist planted tank, the Lemon Tetra remains a timeless choice. Its adaptability, peaceful nature, and radiant coloration make it one of the most desirable small freshwater fish for aquascaping enthusiasts worldwide.