Astronotus ocellatus – Discover Fishes https://www.floridamuseum.ufl.edu/discover-fish/species-profiles/astronotus-ocellatus/
Oscar Astronotus ocellatus These fresh water cichlids prefer slow-moving water with sunken branches and logs to hide behind. They’re usually a gray-brown to olive green mottle of colors, with an orange-ringed black ‚eye‘ spot (or two) at the tail to confuse predators. These stocky, oval fish
Harvard University’s Museum of Comparative Zoology, Jean