How Big Do Oscar Fish Get in the Wild?

Oscar fish, or Astronotus ocellatus, are originally from South America.They live in tropical waters and can also be found in parts of the United States. Oscar fish in the wild grow larger than those in captivity.

  1. Size

    • Oscar fish in the wild can grow up to 16 inches. In captivity they will grow any where from 10 to 14 inches.

    Longevity

    • Oscar fish in the wild live longer than those kept in tanks.

      Oscar fish can live up to 15 years in the wild. In captivity they live just over a decade.

    Habitat

    • Oscar fish can be found in Florida.

      Oscar fish originate from South America but they are also found in other parts of the world from people releasing their pet Oscars. As a result, in the United States, Oscar fish can be found in Florida.