New Bristlenose - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 16 Old 02-24-2011, 09:45 PM
I bought algae wafers for mine, and they'd eat them a bit, but mostly they were gulped down by my mollies and cherry barbs. dont know why.. they like algae, i guess? haha. Anyways, they are really cute, and I dont blame you for wanting to get another. good luck with your "Mr. Monk" xD
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post #12 of 16 Old 02-25-2011, 06:49 PM Thread Starter
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I added a large piece of bog wood and Mr. Monk likes hanging underneath it. I also purchased some algae wafers to supplement with. What a fun fish to sit and watch.

Thanks for the input. Don't know what I'd do without this forum.
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post #13 of 16 Old 02-25-2011, 07:20 PM
Good :) He'll get all the protein he needs from the wood, and the algae wafers/algae on the glass will be a tasty treat!
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post #14 of 16 Old 02-27-2011, 04:05 PM
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Originally Posted by coolcucumber View Post
Good :) He'll get all the protein he needs from the wood, and the algae wafers/algae on the glass will be a tasty treat!

Wood does not contain protein. Algae wafers are about 30% protien on average.
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post #15 of 16 Old 03-09-2011, 01:16 PM
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Correct, science has now discovered, or at least is leaning to thinking, that Plecostomus species do not actually digest the wood. It seems to be taken in with the algae they graze from it, but it passes through without any "nutrients" being taken from it. Sort of like roughage I suppose. I posted a link to this study a few weeks back in the Tropical Freshwater Aquarium Fish section if you want to track it down. It was a study mentioned in Practical Fishkeeping.

To your question on otos and such: a BN will handle any common green algae or diatoms in a 20g. There will be none for other fish like otos unless you have an imbalance (too much light). Otos are more likely to last if they have algae when first introduced to a tank, as it is their natural food. Later they will easily adapt to sinking foods, but initially it is best to ensure algae is present. Same holds for sensitive fish like Farlowella. And a BN would obviously be happier too with algae at first. If you like the otos and want them solely as "fish", fine; but if it is only for the algae-eating aspect, your BN will handle that on its own.

And remember, all of these "algae eating" fish do not eat any and all algae, only specific types. Most the common green and diatoms. A few specific species will eat brush, etc., but not the fish we are discussing here.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #16 of 16 Old 03-11-2011, 01:06 PM Thread Starter
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For the time being I am holding off on adding the Otos to my 20 gallon. With my current stock of fish the tank will be at 101% capacity according to Aqadvisor once the fish reach adult size.

My little bristlenose has settled in nicely. There is some green algae, but I am also supplementing with algae wafers and various veggies (so far the cucumber has been a big hit with him).

He does spend a great deal of time nibbling on the underside of the driftwood.

Recently I rebuilt a 40 gallon and after a few months , once it is a bit more established I may add Otos to it. I do like the Otos and would enjoy having some.
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