What is the scientific name of sword tail?
Xiphophorus helleriiGreen swordtail / Scientific name
How can you tell if a swordtail is male or female?
Telling Males From Females Only male swordtails have the tail fin extension. Females have a rounded tail fin. Females’ bodies are also more rounded, fuller and about one-half-inch longer at maturity.
What class is a swordtail fish?

Ray-finned fishesGreen swordtail / ClassActinopterygii, members of which are known as ray-finned fishes, is a clade of the bony fishes. They comprise over 50% of living vertebrate species. Wikipedia
Where do swordtails come from?
Swordtail fish (Xiphophorus helleri) are an ever-popular freshwater species that come from North and Central America. They belong to the Poeciliidae family and are closely related to other common fish like the platy and guppy.
Can lyretail mollies breed with regular Mollies?

Can Different Types of Molly Fish Mate (Breed)? Albeit there being several varieties of molly fish, they all can be mated because regardless of the color or fin configuration, they are the same species, and any male will readily fertilize with all females.
What is kohaku swordtail?
The Kohaku Swordtail is a popular color morph of this type of freshwater fish. Also known as a Koi Swordtail, the semi-transparent body is a fantastic addition to any aquarium. Minimum tank size: 30 gallons. – Prefers a well planted aquarium with room for swimming.
Can swordtails and platies breed?
Yes, since Swordtails and Platy fish come from the same family of Xephophorus, they can breed and produce viable offspring.
What is a swordtail female?
Swordtails have specific characteristics to easily differentiate male and female fish. Males have the characteristic “sword” on the ventral aspect of their tails. Females have a rounded tail edge and tend to have thicker bodies. This comes from carrying all their live baby fry.
Can swordtails change gender?
Can Swordtails really change gender? No, female Swordtails can’t change their gender. When there is a dominant male in a group of Swordtails, other less dominant males hold back their development, giving the appearance they are female.