Koi Sanke Swordtail
The Koi Sanke Swordtail is a beautiful freshwater livebearer known for its bold koi-inspired coloration, usually showing a mix of white, orange, red, and black markings. Its bright pattern and long sword-like tail extension make it a standout addition to peaceful community aquariums.
Active, hardy, and easy to care for, Koi Sanke Swordtails are a great choice for beginner and experienced fish keepers. They do best in clean, well-filtered aquariums with plenty of swimming space, live plants, and peaceful tankmates.
Live Fish Notice: Live fish and livestock are available for in-store purchase or local pickup only at Tropical Treasures Wyo in Cheyenne, Wyoming. We are not shipping live fish at this time.
Key Features
- Beautiful koi-style white, orange, red, and black coloration
- Active and hardy freshwater livebearer
- Peaceful community fish
- Great for planted aquariums and beginner setups
- Males may develop a long sword-like tail extension
- Easy to feed and care for
- Best kept with other peaceful freshwater fish
Quick Care Guide
- Scientific Name: Xiphophorus hellerii
- Common Name: Koi Sanke Swordtail
- Care Level: Easy
- Temperament: Peaceful
- Adult Size: Up to 4–5 inches
- Minimum Tank Size: 20 gallons
- Temperature: 72–78°F
- pH: 7.0–8.2
- Diet: Omnivore
- Swimming Level: Middle to top
Tank Setup
Koi Sanke Swordtails do best in a well-filtered aquarium with open swimming space and live or artificial plants for cover. They are active fish, so a longer aquarium is preferred over a tall, narrow tank. A secure lid is recommended because swordtails can jump.
Diet & Feeding
Koi Sanke Swordtails are omnivores and will accept a variety of foods. Offer a quality tropical flake, small pellet, frozen foods, and occasional vegetable-based foods to support health and coloration.
Compatible Tankmates
- Platies
- Mollies
- Peaceful tetras
- Rasboras
- Corydoras catfish
- Peaceful gouramis
- Other community fish of similar size
Frequently Asked Questions
Are Koi Sanke Swordtails beginner friendly?
Yes. Koi Sanke Swordtails are hardy, active, and easy to care for, making them a great option for beginner freshwater aquariums.
Are Koi Sanke Swordtails livebearers?
Yes. Swordtails are livebearers, meaning females give birth to live fry instead of laying eggs.
How many Koi Sanke Swordtails should I keep?
They can be kept in small groups. If keeping males and females together, a ratio of one male to two or more females is recommended to reduce stress on females.
Do Koi Sanke Swordtails need a heater?
They are tropical freshwater fish and do best with stable temperatures around 72–78°F. A heater may be needed if the aquarium temperature drops below their preferred range.
Are Koi Sanke Swordtails aggressive?
They are generally peaceful community fish, though males may occasionally chase females or other males. Providing space and cover helps reduce stress.
Shop Koi Sanke Swordtails at Tropical Treasures Wyo
Koi Sanke Swordtails are colorful, hardy freshwater livebearers that make a beautiful addition to peaceful community aquariums and planted tanks. Shop freshwater fish, live plants, shrimp, aquarium supplies, and more at Tropical Treasures Wyo in Cheyenne, Wyoming.
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