![Knife Livebearer (Alfaro cultratus) - The Free Freshwater and Saltwater Aquarium Encyclopedia Anyone Can Edit - The Aquarium Wiki Knife Livebearer (Alfaro cultratus) - The Free Freshwater and Saltwater Aquarium Encyclopedia Anyone Can Edit - The Aquarium Wiki](https://www.theaquariumwiki.com/w/images/thumb/3/3e/AlfaroCultratus.jpg/200px-AlfaroCultratus.jpg)
Knife Livebearer (Alfaro cultratus) - The Free Freshwater and Saltwater Aquarium Encyclopedia Anyone Can Edit - The Aquarium Wiki
Knife Livebearers (Alfaro cultratus) are now available! This is a very hardy wild livebearer native to Costa Rica, Nicaragua and Panama. They do very... | By Cabin AquaticsFacebook
![Predation affects body shape in the knife livebearer Alfaro cultratus (Cyprinodontiformes: Poeciliidae) - Ardon - 2023 - Ecology and Evolution - Wiley Online Library Predation affects body shape in the knife livebearer Alfaro cultratus (Cyprinodontiformes: Poeciliidae) - Ardon - 2023 - Ecology and Evolution - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/703dcda4-8217-486d-a952-b5e1b900f0c7/ece310787-toc-0001-m.jpg?trick=1704176676333)