Latin Name: Xiphophorus hellerii

Other Names: Green Swordtail

How hard are they to keep? Green Swordtails are relatively easy to keep and are suitable for beginners. They are known for their adaptability and resilience.

What is its maximum size? Green Swordtails can grow up to 4 inches (10 centimetres) in length.

Where are they from? Green Swordtails are native to Central America, specifically Mexico, Belize, and Guatemala.

How many can I keep? Swordtails are social fish and should be kept in groups of at least 3 to 5 individuals. They thrive in community tanks.

How compatible are they with other fish? Green Swordtails are generally peaceful and can coexist with a variety of peaceful fish species. They do well in community tanks with similar-sized and non-aggressive fish.

What are the ideal water conditions? Green Swordtails prefer a water temperature between 72-82°F (22-28°C), a pH level between 7.0-8.3, and moderately hard water with a hardness of 12-20 dGH. Adequate filtration and regular water changes are important to maintain water quality. The Green Swordtails that are for sale have been climatized to our local water conditions.

How do you tell the difference between Male and female? Male Green Swordtails have a distinct elongated lower caudal fin, resembling a sword. Females have a shorter, rounded caudal fin. Additionally, males may display more vibrant colours and have a gonopodium, a modified anal fin used for reproduction.

Fun Fact: Swordtails get their name from the impressive extension of the male’s caudal fin, which resembles a sword. The coloration and size of the “sword” can vary among individuals, adding to their charm and appeal.