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The user is asking for a product information page for "Swordfish tropical fish." The search results clarify that the common name for this popular aquarium fish is the Swordtail (Xiphophorus hellerii), and it's a very different species from the large marine "swordfish" (Xiphias gladius). The care information is extensive and consistent across multiple sources.
Here is a product information page for the Swordtail tropical fish, based on the search results:
Bring a splash of vibrant color and endless personality to your aquarium with the Swordtail (Xiphophorus hellerii)! This beautiful and popular livebearer is an excellent choice for beginners due to its hardiness and adaptability. With their striking colors—available in a wide variety of brilliant reds, yellows, and oranges—and the male's iconic, sword-like caudal fin, Swordtails are a lively and captivating addition to any community tank.
Known for being sociable and active swimmers, Swordtails are the "athletes" of the aquarium world. They are peaceful community fish that thrive in groups, and their easy-going nature makes them compatible with a wide range of other fish species. They are also prolific breeders, making them a fascinating and rewarding species for both novice and experienced hobbyists to keep.
Tank Size: Swordtails are active swimmers and thrive in groups, so a minimum tank size of 20 gallons (approximately 75 litres) is recommended for a small shoal. A larger tank is always better to provide ample open swimming space.
Water Parameters: Swordtails are adaptable and can tolerate a wide range of conditions, but they do best in tropical waters with:
Temperature Range: 20-27°C (68-82°F)
pH Range: 7.0-8.5
Water Hardness: dGH 12-30
Water Quality: Provide good filtration with a moderate flow to mimic their natural habitat. Regular partial water changes (10-25% weekly) and a high-quality water conditioner are essential to maintain a healthy, stable environment.
Diet: As omnivores, Swordtails enjoy a varied diet. Feed them a high-quality flake or micro-pelleted food daily. To ensure a nutritionally complete diet, supplement their meals with occasional live or frozen foods like brine shrimp, bloodworms, or daphnia. They will also graze on algae and appreciate plant-based foods, so offering algae wafers or blanched vegetables occasionally is beneficial.
Tank Setup:
Lid is Essential: Swordtails are fantastic jumpers. A securely fitting lid is necessary to prevent them from jumping out of the aquarium.
Decorations: They thrive in a well-planted aquarium with plenty of places to hide. Provide plants, rocks, and driftwood, but leave open swimming space in the top and middle levels of the tank.
Social Structure: They do best in a group of at least 4-5 individuals. It is highly recommended to keep a ratio of one male to two or three females to help reduce aggression between males and prevent females from becoming stressed by constant male attention.
Scientific Name: Xiphophorus hellerii
Origin: North and Central America (Mexico, Guatemala, etc.)
Social Behavior: Peaceful community fish; males can be territorial with each other.
Minimum Group Size: 4-5 individuals.
Tank Level: Top and middle levels of the tank.
Maximum Size: Males up to 14cm (5.5 inches); females up to 16.5cm (6.5 inches).
Lifespan: 3-5 years with proper care.
Breeding: Prolific livebearers. Females can store sperm and give birth to multiple broods of up to 50 fry from a single mating.


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