Tropical Fish Keeping - Aquarium fish care and resources

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Fusion MK 05-24-2009 11:32 PM

Will oto cats get stuck in gravel
I am planning to get some oto cats for my 55 gallon tank. I have somewhat sharp gravel that is around 1cm in diameter. I am wondering if my oto cats will get stuck.

If you are asking me how I will keep them, my nitrate, nitrite, and ammonia is zero and I do a 33% water change every 1-2 weeks

aunt kymmie 05-25-2009 10:07 AM

Not sure about getting "stuck" but they could hurt their soft underbellys on sharp gravel. My otos hang on the sides of the tank and anywhere on the plants. The only time I see them on the substrate is at water change time, which I assume is because I'm disrupting them. If it were me (and it's not!) I wouldn't keep otos in a tank with sharp gravel.

Byron 05-25-2009 10:16 AM

I agree with aunt kymmie, but my question would be just how sharp? If you have regular aquarium gravel from the store, it may "appear' sharp to you or me, but I have used it for years and never a problem with ottos (or corys for that matter). But if you have some special sort of gravel that really is sharp, then no catfish.

Fusion MK 05-25-2009 10:27 PM


I am wondering if an oto will be like skimming the gravel, and there is this emptyness in the gravel, and the oto swims down to go with the curve, and gets its head stuck in gravel

iamntbatman 05-26-2009 11:03 PM

That shouldn't happen. The fish should be able to work itself out of a situation like that.

Fusion MK 05-26-2009 11:09 PM

Well, I had a platy who seemed fine one day, then the next he was stuck under some small pieces of rock. Any ideas?

iamntbatman 05-26-2009 11:21 PM

If you're talking about gravel that's the same size as the fish or smaller, a fish getting stuck seems like the fish was likely sick or otherwise weakened. A healthy fish can move a pretty darn big piece of gravel in order to free itself, or at least wiggle its way backward.

dramaqueen 05-26-2009 11:33 PM

I've had bettas that wedged themselves under rocks and always managed to free themselves.

Fusion MK 05-29-2009 11:08 PM

Okay, thanks

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