Astronotus crassipinnis. This is another video of the same three wild Oscars I got from Bolivia

Astronotus crassipinnis is a South American fish in the cichlid family from the southern Amazon basin and the Paraná–Paraguay basins. It is not as well-known or common in the aquarium trade as its relative, the more northernly distributed oscar. A. crassipinnis reaches up to 25 cm in length.

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