How can I know it's time to remove tankmate?

  • UNC-CH
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UNC-CH created the topic: How can I know it's time to remove tankmate?

A few months after getting my Oscar and before joining this forum, I fed him 18 comets over a period of about a 1 1/2 weeks. He never ate one of them, and I've kept him as a tankmate in this 75 gallon ever since. But, that comet's been getting pretty big (~3 ") and my oscar is now an 8 inch adult. I know I'll have to get rid of that fish sooner or later but I wonder if my oscar will miss having a tankmate.
Has anyone had experience removing an Oscar's sole tankmate? Does it seem to make a difference in the oscar's behaviour?
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Suprd71 replied the topic: How can I know it's time to remove tankmate?

A couple things to make your decision easy. Goldfish and Oscars should never live together, one being tropical and the other a cold water species. Your 75 g is suitable for Oscar alone, regardless of suitable tankmate or not. An Oscar does not need nor generally appreciate a tankmate. Other fish are just competition for food and territory. I have kept many Oscars over the years and the majority have had a tank to themselves. They do just fine alone and prefer it that way to boot. Your Oscar may pout for a bit just from the change of atmosphere, but not because it is missing the other fish. I recently placed my largest Oscar, 3 yrs old in its own tank. It had tankmates since I got it at about 1in. No problem, no change in behavior.


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  • Darth Nandopsis
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Darth Nandopsis replied the topic: How can I know it's time to remove tankmate?

Suprd71 has you covered...but I have a question.......you haven't fed him any feeders since, have you? :whistle:

THOSE WHO REFUSE KNOWLEDGE ARE DOOMED TO FAIL.

WATER CHANGES ARE THE LIFEBLOOD OF THIS HOBBY. IF YOU DON'T BELIEVE SO OR SIMPLY DON'T FEEL LIKE DOING THEM, RE-HOME YOUR FISH, SELL YOUR AQUARIUM & FIND ANOTHER HOBBY, AS YOU WILL FAIL UTTERLY, COMPLETELY, & MISERABLY.
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UNC-CH replied the topic: How can I know it's time to remove tankmate?

No feeders since that occasion. And knowing what I know now, I'd never consider feeding him live fish ... disgusting.
Yes, you made that an easy decision for me Suprd71. I'm glad. As far as what to do with the comet, someone I know might build an outdoor goldfish pond in ~month. That would be perfect. If that doesn't work out, he's still gotta go. I'll give myself 30 days from today to get rid of him.
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