A Favorite Species: The Oscar, Astronotus ocellatus

Name: Astronotus ocellaris Introduction: This fish is the grandaddy of the big cichlids. It was only after the establishment of this fish as “the best reason to own a 75 gallon tank” that the Managuense and the other giants became popular. While it is certainly not the largest of the cichlids, it is most certainly the … Read more