WATERMELON TETRA - HEMIGRAMMUS COERULEUS

Watermelon Tetras (Hemigrammus coeruleus) are rare, peaceful, and stunning freshwater fish from Brazil's Rio Negro, known for their distinct green-to-red gradient color, especially in males. Reaching 1.5–2.5 inches, they are suitable for community tanks, preferably in groups of 6–10. They require warm, soft, acidic water 75–82 F, pH 6.0–7.5.