Rainbow shark and Beta - The Planted Tank Forum
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post #1 of 5 (permalink) Old 05-06-2009, 06:28 AM Thread Starter
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Question Rainbow shark and Beta

Is anything major gonna happen with a beta and rainbow shark in the same tank
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post #2 of 5 (permalink) Old 05-06-2009, 07:01 AM
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Uh, what size tank? cause Red tail sharks can get big.

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post #3 of 5 (permalink) Old 05-06-2009, 01:51 PM
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If the tank is large enough, it might work...but if this is still in that 5 gallon, you're already out of room anyway.
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post #4 of 5 (permalink) Old 05-06-2009, 10:16 PM
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sharks gonna grow quickly and once his mouth is big enough he'll swallow the betta, if he doesn't nip him to death first- bettas tend to get picked on by tank mates that aren't totally passive. I don't know how nippy rainbow sharks are but I'd say they're more aggressive than a cory.


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post #5 of 5 (permalink) Old 05-07-2009, 12:21 AM
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Rainbow sharks are hit/miss on the nippy factor. If the tank was larger, with plants, I'd say the betta would be pretty safe from him, as long as he didn't spend too much time near the bottom. If anything, grab a shortfin variety, like a king betta, or indo fighter/roundtail. Adult rainbow sharks can't swallow them, but in a small tank, there's just not enough space for the betta to stay out of his way.
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beta, fish, japanese, rainbow, shark

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