Swordtail Fish
Looking for an active, colorful fish with a signature look? Swordtail fish are a popular choice for both beginner and experienced aquarists, known for their unique tail shape, vibrant colors, and peaceful nature. These elegant freshwater swordfish bring life and movement to any aquarium while remaining easy to care for.
Why Choose Swordtail Fish for Your Aquarium?
- Striking Swordtail Fish Colors: Available in red, orange, green, gold, black, and even koi patterns for bold visual impact.
- Iconic Sword Tail: Males feature a distinctive, sword-like extension on their lower tail fin, making them stand out in any tank.
- Hardy & Beginner-Friendly: Swordtails are adaptable and thrive in a range of water conditions, perfect for community tanks.
- Livebearers That Breed Easily: Like Platies and Guppies, Swordtail fish are prolific livebearers that are fun to breed.
- Great Community Fish: Peaceful and social, they pair well with Mollies, Guppies, Platies, Tetras, and other non-aggressive species.
Popular Swordtail Fish Types
Browse our premium selection of swordtail fish for sale and discover stunning variations in both color and pattern:
- Red Swordtail: A classic variety with vibrant red-orange coloring and bold tail extension.
- Koi Swordtail: Features a koi-inspired red, white, and black pattern with graceful finnage. Common species include Koi Kohaku Swordtail and Koi Sanke Swordtail Fish.
- Hi-Fin Swordtail: Elegant long fins and a dramatic silhouette, perfect for display tanks.
Swordtail Fish Care Guide
- Tank Size & Setup: A 20-gallon tank is ideal for a small group of swordtails; provide plants and open swimming space.
- Water Parameters: Maintain a temperature between 72–82°F (22–28°C) and a pH of 7.0–8.4.
- Diet & Nutrition: Swordtails enjoy a varied diet of flakes, pellets, live foods (like brine shrimp or daphnia), and blanched veggies.
- Tank Mates: Compatible with peaceful fish such as Guppies, Platies, Mollies, Tetras, and Corydoras catfish.
- Behavior: Males may chase females during breeding; maintain a 1:2 male-to-female ratio to reduce stress.
Swordtail Fish for Sale Online
Browse our premium collection of Swordtail fish for sale and find the perfect addition to your freshwater aquarium. Visit Splashy Fish to buy them online or at our aquarium store in Virginia for more freshwater fish for sale, betta fish for sale, freshwater shrimp for sale, live aquatic plants for sale, and aquarium supplies.
Order now and bring home the beauty of Swordtail fish today!
Swordtail Fish Frequently Asked Questions (FAQs)
Are Swordtail Fish aggressive?
Swordtail fish are generally peaceful, but male swordtails can show mild aggression toward each other, especially in smaller tanks or during breeding. To reduce territorial behavior, keep only one male per group or ensure a larger tank with hiding spots. They do best in community aquariums with similarly sized, non-aggressive species like mollies, platies, guppies, and Corydoras catfish.
Where are Swordtail Fish from?
Swordtail fish originate from Central America, specifically freshwater streams and rivers in Mexico, Honduras, and Belize. In the wild, these freshwater swordfish are found in clear, fast-flowing waters with dense vegetation. Today’s aquarium swordtails are selectively bred for color and fin shape but still retain their hardy, adaptable nature.
Can Swordtail Fish live without oxygen?
No, swordtail fish cannot live without oxygen, but they don't require air pumps if your tank is properly filtered and well-aerated. Like most tropical freshwater fish, swordtails absorb dissolved oxygen from the water through their gills. A sponge filter, hang-on-back filter, or even live plants can help maintain healthy oxygen levels in a swordtail fish tank.