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Wild oscars are the default type of oscar fish. The original species of Astronotus ocellatus is native to the Amazon River basin, the Paraguay River, the Rio Negro and the Parana River.
The venom of a West African carpet viper (Echis ocellatus) is one of the four venoms used to test the effect of the new 3D blood vessel model. Disclaimer: AAAS and EurekAlert! are not responsible ...
Wild oscars are the default type of oscar fish. The original species of Astronotus ocellatus is native to the Amazon River basin, the Paraguay River, the Rio Negro and the Parana River.