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They are not poisonous at all. they are very calm, nice fish who go wel with other fish and will not harm them unless they are small enough to fit inside the rtcs mouth, then the rtc will eat it. they reach up to 5 feet maximum size but in captivity usually only 3-4 depending on the size of the tank and the fishs diet.

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13y ago

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When does the tail change color on a red tail catfish?

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How catfish protect themselves?

They use their poisonous fins


What do redtail catfish eat?

Red Tail catfish will eat anything that it thinks is meaty. If you own a Red Tail Catfish, return it to the place you purchased it and demand your money back. Red Tail catfish can grow to over 4 feet long. Some to 5 feet. They are NOT ornamental fish for a tropical tank. Return it and demand your money back. When purchasers realize that this type of catfish is out growing their tanks and eating all the other fish, they will release it in their local pond or lake. Though they cannot live through US's northern winters, they can live in subtropical areas like southern Georgia and Florida. If the place does not give your money back, report them to the ASPCA for selling a species of fish that should not be sold in the USA or outside of South America.


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How do you tell if a snake is poisonous by its tail?

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What is more poisonous a scorpion with a larger tail or a smaller tail?

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