bristlenose pleco eating my fish? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 05-14-2011, 08:41 AM Thread Starter
JNB
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bristlenose pleco eating my fish?

I always thought bristlenose plecos were peaceful, but this morning 2 neon tetras and the tail of a red tetra is missing. The bristlenose is the only thing big enough to have done it and it can't be hungry - there is plenty (too much really) algae in the tank and I tried giving the fish some algae wafers a couple of weeks ago and the bristlenose had no interest. Is anyone awary of this issue with bristlenoses?
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post #2 of 7 Old 05-14-2011, 10:50 AM
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I would not suspect the BN of killing fish. It will likely eat a dead fish, but not attack healthy ones. What else is in this tank?

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 youíre going to take it under your wing then youíre 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 #3 of 7 Old 05-14-2011, 11:33 AM
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I can't imagine the BN doing that. I suspect you have a different fish doing it.
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post #4 of 7 Old 05-14-2011, 11:39 AM Thread Starter
JNB
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All my other fish have relatively small mouths, and this was not just the tail fin - there is just a stump left - it was a big bite.
I have:
2 mollies, 2 guppies, platy, neon tetras, smaller clown loaches, and a cory catfish.

something else odd happened last week - about 5 stems of my plants were eaten down one night about 2 inches each. Thant was the only time and he is in a 55gal with plenty of algae for him.

Last edited by JNB; 05-14-2011 at 11:44 AM.
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post #5 of 7 Old 05-14-2011, 03:04 PM
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That sounds like fin/tail rot. I'm not well versed in health issues, but if you could perhaps post a photo of an affected fish someone may know more about it.

Aside from that, any fish with teeth can nip off fins. Even Neon Tetra have been seen doing this if they are stressed. Guppies have been known to as well.

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 youíre going to take it under your wing then youíre 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 #6 of 7 Old 05-14-2011, 03:39 PM Thread Starter
JNB
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Here is a picture from the internet with a line marking what disappeared between last night and this morning. I don't know how it is still alive, but it is swimming around (sort of). There were no rot issues that I had noticed and all the others are fine.
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File Type: jpg red tetra.jpg (40.6 KB, 24 views)
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post #7 of 7 Old 05-14-2011, 07:14 PM Thread Starter
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he's dead.
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