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Hi all I got a new fish tank and now it's ready to put some fishes into it. I'm planning to put a pair of Oscars together with Albino Rainbow Sharks. Is it safe to put them together? Will these big Oscars eat them?
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In general, Oscars are not typically known to eat other fish. However, they are known to be quite territorial and aggressive. Therefore, it is not recommended to keep Oscars with other smaller or more timid fish. If you do decide to keep them together, it is important to monitor their behavior closely.

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Oscars are real carnivores. These fishes can eat anything smaller than their mouth. It's not a good idea to keep other small fishes with these giant Oscars. Me too once kept two Oscars with two rainbow sharks and five Sepae tetras. But each day one or two Serpae Tetras became disappeared. But the rainbow sharks survived as they were a little bigger than Oscars could handle. But two days before one of my albino rainbow shark became food for one of the Oscar as the Oscar became enough big to eat them up.

See attached images and videos.

See video of Oscar eating Albino Rainbow Shark here on this link https://www.youtube.com/watch?v=_1GFOqN-4OA

oscar-eating-shark

oscar-eating-albino-rainbow-shark

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Oscars eat alot of insects In the wild so feeding them on live food Like crickets, Locusts, grasshoppers, mealworms and even garden worms is good because all this  contains vitamin
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The Oscar fish is a carnivorous animal it love eating all what it see that is smaller than it please do not keep fish with the Oscar it can kill them all
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We can consider oscar fish as the evil sea creature. It is because they are omnivores that eat anything, such as small fish, larvae, and sea plants. They love engulfing crustaceans and insects that come on their way in the deep blue sea. It is how they maintain their diet.
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These fishes can eat anything smaller than their mouth. It's not a good idea to keep other small fishes with these giant Oscars. 
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No, it is not safe to put Oscars and Albino Rainbow Sharks together. Oscars are carnivorous and can grow to be quite large, so they will likely view the smaller Rainbow Sharks as prey and attempt to eat them.
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Yes, most of them are predators torwards small fish and other small creatures in the tank and that is the consideration you need to keep in mind before mixing them with other fish
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Yes, Oscar fish are known to be aggressive and can eat other fish that are smaller than them. It's important to choose tankmates carefully.
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Absolutely , it is safe to put them together. They will eat each other if they are together large enough. The Oscars will eat each other if they are together large enough.
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Yes, Oscar Fish will eat other fish that are small enough to fit into its mouth. Oscar Fish is a predator and in the wild, it feeds on small fishes, small insects, crustaceans as well as plant matters.
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Oscar fish (Astronotus ocellatus) are known to be carnivorous and have a voracious appetite. While they primarily feed on a diet of meaty foods, such as small fish, insects, crustaceans, and worms, they may also eat other smaller fish if given the opportunity.
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