Corys chewing stem plants in half - The Planted Tank Forum
 
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post #1 of 15 (permalink) Old 02-20-2012, 06:46 PM Thread Starter
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Corys chewing stem plants in half

Anyone else have issues with their corys not digging up plants but lopping them in half? In all my research, I havent ready anything about corys being interested in chewing on stem plants like this? I love the little guys but its getting tiresome replanting stems every day. The only other fish I have right now are some scissor tails and I have never seen them even go near a plant.
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post #2 of 15 (permalink) Old 02-20-2012, 10:13 PM
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My corries don't touch my plants at all, they are great little fish. Are your plants otherwise healthy?


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post #3 of 15 (permalink) Old 02-20-2012, 10:14 PM
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My corys might accidentally bump into a plant, but they certainly aren't chewing on them or through them. Hmm.
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post #4 of 15 (permalink) Old 02-21-2012, 01:53 AM
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I'll believe when I see a picture. There are critters that live in substrate and come out at night. I've seen gammarus shrimp after about 4hrs of lights off on stems. Especially younger stems bear brunt of their hunger.

Stir the substrate a bit you'll probably see them (white floating everywhere bugs they are)
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post #5 of 15 (permalink) Old 02-22-2012, 05:29 PM Thread Starter
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Just discovered some snails this morning. They're small enough that I cant really identify them but one is a brown color. Any chance snails would eat right through rotalia stems?
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post #6 of 15 (permalink) Old 02-22-2012, 05:33 PM
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If they are rotten, yes.
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post #7 of 15 (permalink) Old 02-22-2012, 05:59 PM Thread Starter
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Originally Posted by psalm18.2 View Post
If they are rotten, yes.
Nope. Newly planted and nice and healthy. Woke up this morning to two more cut off. Stem is about 15" tall and its been cut off about 6" down. I know these are not just previously planted stems that are just getting up rooted as these new "floaters" have leaves top to bottom and I always strip the leaves off the bottom before I plant. Quite the mystery?
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post #8 of 15 (permalink) Old 02-22-2012, 07:14 PM
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Oh NO! Your cories have started a biker gang: HELL'S ANGELFISH. O_O

What else is there in the tank? Is there strong current?
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post #9 of 15 (permalink) Old 02-22-2012, 08:08 PM Thread Starter
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Yeah, they just float there waiting for me to walk by and when I look at them, they snap off a stem and flip me the middle fin!

Only other fish in the tank right now are 4 scissortails and a random white cloud.

Current is very calm.


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Oh NO! Your cories have started a biker gang: HELL'S ANGELFISH. O_O

What else is there in the tank? Is there strong current?
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post #10 of 15 (permalink) Old 02-22-2012, 08:13 PM
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The fish you have in your tank will not bother plants. The snails also wont, unless you have a ton of them. Then its more of irritating the plant until it starts to die, then they eat the rotting portion. Everything about your description points towards substrate, ferts, and Co2. Can you tell us more about what you are using?

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post #11 of 15 (permalink) Old 02-23-2012, 05:51 PM Thread Starter
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The plants I have seem healthy enough.

Tank is a 30 gallon cube about 18x18x20. Light is a T5HO about 8" above the tank. Substrate is a mix of Florite and regular gravel. No CO2 yet but I have all the equipment to start up a modest paintball system. Just havent gotten around to it yet. All water parameters are in the normal range. Tank has been going for years so its fully cycled.

The plant getting cut in half seem to exclusively be my Rotalia.


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The fish you have in your tank will not bother plants. The snails also wont, unless you have a ton of them. Then its more of irritating the plant until it starts to die, then they eat the rotting portion. Everything about your description points towards substrate, ferts, and Co2. Can you tell us more about what you are using?
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post #12 of 15 (permalink) Old 02-23-2012, 05:54 PM
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Quote:
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I always strip the leaves off the bottom before I plant.
Why do you do this?

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post #13 of 15 (permalink) Old 02-23-2012, 08:25 PM
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I had a dragonfly larvae or something similar on one of my tanks that would chew off half of a crypt leaf every night. I kept blaming my betta until I caught the bug in the act one day.


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post #14 of 15 (permalink) Old 02-23-2012, 08:33 PM Thread Starter
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Why do you do this?
Pretty new to this but all my reading seemed to indicate that you should do this to avoid rotting leaves under the substrate?
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post #15 of 15 (permalink) Old 02-23-2012, 09:55 PM
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Pretty new to this but all my reading seemed to indicate that you should do this to avoid rotting leaves under the substrate?
I see, interesting idea. I personally let the leaves be - my thought process is that if they're going to get buried in the substrate, then they'll act as a temporary anchor of sorts, helping the stem stay in place while it gets its rooting system.

Anywho - I asked the question of why you trim the lower leaves because I'm wondering if that could be affecting things.....

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