Ask Jerry: The Oscar (Astronotus ocellaris)

“Oh, he’ so cute. I want one!”  This is usually the first response from new aquarium keepers the first time they see this cute little one inch baby oscar fish, Astronotus ocellatus” so graceful and with such a friendly attitude swimming through the aquarium. Unfortunately, they don’t understand that this cute little fellow can rapidly … Read more

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