Name: Swordtail (Xiphophorus hellerii) Max Size: Up to 4 inches (males), females may grow slightly larger Water Parameters: pH 7.0-8.3, temperature 72-82°F, hardness 12-30 dGH Diet: Omnivorous – eats high quality flakes, pellets, algae wafers, and enjoys live or frozen foods like brine shrimp, bloodworms, and daphnia. Include plant matter such as spirulina or blanched vegetables. Temperament: Peaceful and active, though males may show mild aggression toward each other when competing for females. Tank Setup: Prefers a well-planted aquarium with open swimming space and stable water conditions. A secure lid is recommended, as they may jump. Compatibility: Excellent for peaceful community tanks with livebearers, tetras, rasboras, danios, and corydoras. Avoid aggressive or fin-nipping species. Behavior: Lively and social fish that enjoy schooling and exploring. Males display their elongated lower tail fin, or "sword," during courtship. Fun Fact: Swordtails are livebearers, meaning they give birth to free-swimming fry. Their signature "sword" tail is only present in males and is used to attract females during mating.
