Scientific Name : Astronotus ocellatus
Common Name : oscar/Tiger oscar/Marble cichlid
Adult can be seen in 12-14inches. They have long, oval shaped body. Anal and dorsal fins extend along the length of the fish body to the caudal fin. (Aquariadise, 2021) Origin is from South America (Jessie Sanders,2020)
Their gender can be difficult to determine. The female is usually smaller than male less colorful.(Mike, 2020).They are active swimmers. (Aquabase, 2021) They are highly territorial and they will attack fish that encroach on their patch (Aquariadise, 2021). These fish grow very quickly. And also they live for up-to 20 years in the wild and on average for over 12 years. (AquariumDomain)