Common Name: Kohaku Swordtail Latin Name: Xiphophorus hellerii Latin Name Translation: The genus Xiphophorus translates to “sword-bearer,” while “hellerii” is named after the German naturalist Karl Heller. Synonyms: None noted. Distribution: The Kohaku Swordtail is a selectively bred variant of the common Swordtail (Xiphophorus hellerii), which is native to Central America, specifically Mexico and Guatemala. Max Size: Kohaku Swordtails can grow up to a maximum size of around 4 inches (10 cm) for males and slightly larger for females. Lifespan: Under proper care, Kohaku Swordtails can live for about 2-5 years. Temperature Range: Kohaku Swordtails prefer a temperature range of 72-82°F (22-28°C) for optimal health and activity. pH Range: They thrive in slightly alkaline to neutral water conditions, with a pH range of 7.0-8.0. KH Range: A moderate carbonate hardness (KH) level of 4-10 dKH is suitable for Kohaku Swordtails. Care Level: Kohaku Swordtails are considered to have a moderate care level, requiring basic attention to water parameters, regular feeding, and a suitable environment. Lighting Preference: These swordtails do not have specific lighting preferences and can adapt to a variety of lighting conditions. Suitable for Planted Tanks: Yes, Kohaku Swordtails can be kept in planted tanks. They are generally peaceful and won’t harm most aquatic plants. Preferred Food: Kohaku Swordtails are omnivorous and will readily accept a variety of foods. Offer them a balanced diet that includes high-quality flakes or pellets, supplemented with occasional live or frozen foods like brine shrimp or daphnia. Behaviour: Kohaku Swordtails are generally peaceful and sociable fish. They are ac