Latin Name: Xiphophorus hellerii

Other Names: Black Berlin Swordtail

How hard are they to keep? Black Swordtails are generally easy to keep and are suitable for beginners. They are hardy and adaptable to various water conditions.

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

Where are they from? Black Swordtails are originally from 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? Black Swordtails are peaceful and generally get along well with other peaceful fish species. They are best suited for community tanks with compatible tankmates.

What are the ideal water conditions? Black 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. Clean, well-filtered water and regular water changes are important for their overall health. The Black Swordtails that are for sale have been climatized to our local water conditions.

How do you tell the difference between Male and female? Male Black Swordtails are typically larger and have an elongated lower caudal fin resembling a sword, while females have a shorter, rounded caudal fin. Additionally, males may display more vibrant colours.

Fun Fact: Black Swordtails are a popular choice for aquarium hobbyists due to their striking black coloration. However, it’s important to note that their color can vary, and some individuals may have additional colour patterns or hints of other colours, adding to their uniqueness.