Livebearer - Cnesterodon sp. Order Cyprinodontiformes Family: Poeciliidae 28 11 15 © J. Simón Tagtachian28 11 15 © J. Simón Tagtachian16 2 16 © Nicolás Giorgio16 2 16 © Nicolás GiorgioThe fish with the black stripes is a Cnesterodon decemmaculatusLivebearers are found in rivers, lagoons, etc. with abundant aquatic vegetation. The are called livebearers because the offspring is born alive. The family Poeciliidae includes live-bearing fish.