Pineapple Swordtail The pineapple swordtail has a pineapple yellow primary color with bright orange and black highlights. This variation is popular and almost as available as green swordtails. Customers say they do not taste like pineapples so don't eat them.  If a certain sex ratio is desired we will do our best to fulfill it. A good ratio is two females to one male, so the females get some rest.  Scientific Name: Xiphophorus hellerii Origin: Central America Lifespan: 5 years Max Size: 3 inches Food: Flake Shipping Size: Approx. 2 inches