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Snails In My Tank
March 18, 2008
1:26 pm
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Sofia
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Hi everyone.

I have done the 100% water change today. The pH reads in at 6pH. The water was fairly cold, so I assume i killed off all the bacteria that would have grown in the filter. That's fine though, as I will be away from tomorrow for a week and the tank will have time to cycle...again /sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" />

Anyway, after the water was in I noticed that there were little snails heading back for the gravel, where I assume them to come from? I saw about 5 and took one out to investigate closer.
Do I have to be worried about them? Or do I need to take them out, etc? Will any of my future fish eat them?

Sorry for all these questions again /blush.gif" style="vertical-align:middle" emoid=":blush:" border="0" alt="blush.gif" />
Sofia

March 18, 2008
6:06 pm
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Matt
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What shape are the shells Sofia? Curved like a garden snail or cone-shaped?

Cake or death?
March 18, 2008
6:26 pm
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Sofia
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QUOTE(Matt @ Mar 18 2008, 05:49 PM) < {POST_SNAPBACK}>
What shape are the shells Sofia? Curved like a garden snail or cone-shaped?

Cone shaped. Tiny and black brownish in colour

March 18, 2008
6:49 pm
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becca11
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I too have this problum. The staff at the local petstore say to not do anything about them, as they arn't harmful?

But now they're way too many.. Is there a solution to get rid of the snails?

March 18, 2008
9:56 pm
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Matt
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Just for confirmation purposes, do they look like this?

Attached files

[Image Can Not Be Found]

Cake or death?
March 18, 2008
10:00 pm
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Sofia
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QUOTE(Matt @ Mar 18 2008, 09:39 PM) < {POST_SNAPBACK}>
Just for confirmation purposes, do they look like this?

They look slightly rounder, but definitely cone shaped /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />
So, yes, very similar

EDIT: Just checked and they have all disappeared... probably the gravel, where they were all heading

March 19, 2008
7:23 pm
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Matt
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Well it sounds like you have a nice population of Melanoides tuberculata aka the Malaysian Trumpet Snail. Having a few of these can actually be beneficial for the tank and particularly the substrate in my opinion, but I know loads of people that detest them. They come out at night and spend the hours of daylight in the gravel as you've seen. I've had infestations in the past where the entire substrate seemed to come alive just after lights out. /wacko.gif" style="vertical-align:middle" emoid=":wacko:" border="0" alt="wacko.gif" />

They are herbivorous by nature but will eat pretty much anything that comes their way. They're also known as livebearing snails because they can reproduce by parthenogenesis...a fact that makes them particularly invasive. There are feral, non-native populations in quite a few countries if I remember right. These are a problem because they compete with native species and also (I think) act as a carrier for various parasites at some stage in their life cycles.

Getting rid of them isn't easy unless there are no fish in the tank. Controlling their population is not too difficult though. So guys, I suppose the question is do you want to perform some kind of gastropodic ethnic cleansing or just control their numbers? Oh, and Becca do you have the same species as Sofia?

Cake or death?
March 19, 2008
8:43 pm
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Sofia
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I want them completely gone. As you know I have no fish currently and micht need to change the gravel anyway.

March 19, 2008
8:44 pm
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becca11
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Hi,

And no. The ones I have are much much smaller. The size of... a pebble. I'm not at home right now, and I don't exactly know how to describe them without looking at them, haha. I'll try and take a photo of some later.

March 19, 2008
11:25 pm
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Adam
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Hi Sofia,

If you have not got fish the easiest way to get rid of snails is to drain the aquarium and remove the gravel and ornaments etc from the aquarium and pour boiling water over them.

It sounds like you have the type of snails which give birth to live young (if they appear like Matt’s picture) so you don’t have to watch out for eggs. I would pour boiling water over the glass too and check around the hood/lid for any missed snails etc.

Check really carefully in your filter and any pipework etc you may have (you can keep the filter media damp in a plastic bag once you have checked it thoroughly for snails. This will help keep all the GOOD bacteria from your cycling /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

Some people advocate the use of potassium permanganate solution (which you can get from a chemist) to disinfect the aquarium, personally I have not tried this.

I guess you have got live plants (& thus) snails - it is your choice about whether to bin them /sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" /> or manually remove the snails from them.

An alternative option (particularly as you do not have fish?) is to dose with a snail killing treatment. The downside to this is that the dead and dying snails normally pollute the aquarium, which should not be so significant in your case. However I would still remove the shells once the snails have died AND in my experience such treatments are rarely 100% (you only need to leave one snail and the whole cycle will repeat a few months down the line) /angry.gif" style="vertical-align:middle" emoid=":angry:" border="0" alt="angry.gif" />

Anyone else have any thoughts?

March 20, 2008
4:59 pm
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becca11
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Okay, Here is a photo of a snail from my fish tank;

Its a round-ish shell, then it goes into a swirly cone shape at the end.
azb7ee.jpgImage Enlarger

March 20, 2008
6:10 pm
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Sofia
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Hi Adam,

you are right, I don't have any fish yet, so might give the boiling a go. I might have to replace the gravel anyway, as my pH climbed again and I am not sure enough water would have been able to get logged in the piece of wood and gravel I have.
I will see what I do when I get back home.

I will check the plants, as I really like my selection and being a student, money is a bit tight /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

I really appreciate all the help from everyone. This really is a great forum and I am glad I found it.

March 26, 2008
6:22 pm
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Matt
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I'd boil the buggers too if there aren't any fish yet. In future try to give any new plants a dip in warm salty water (couple of minutes max) as this is how snails or their eggs are usually introduced into an aquarium.

Becca yours are a different beast entirely...this is some species of Planorbis; usually referred to as Ramshorn snails. Personally I don't mind having a small population of these in a tank; they will munch small particles of uneaten food and some kinds of algae. If the population is allowed to grow unchecked they can become a problem, though. Again, seeing as you have no fish yet, it would be much easier to get rid of them now than later. Hope that helps!

Cake or death?
March 26, 2008
9:31 pm
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Sofia
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Just found a snail and mine looks a lot different. It looks like this. There don't seem to be too many in the tank. Do I still boil the gravel?

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[Image Can Not Be Found]

March 26, 2008
9:37 pm
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Matt
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Holy resize Batman!!! Sofia I've taken the liberty of re-sizing your pic as it was about to send our server into meltdown! /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" /> That is a Planorbis. Is it only this type of snail you have?

Cake or death?
March 26, 2008
9:39 pm
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Sofia
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Yeah...sorry. I realized and went off to resize it myself as well... Sorry about that :S

Anyway, that is the only type of snail I have, yes.

March 27, 2008
8:03 pm
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becca11
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QUOTE(Matt @ Mar 26 2008, 03:05 PM) < {POST_SNAPBACK}>
Becca yours are a different beast entirely...this is some species of Planorbis; usually referred to as Ramshorn snails. Personally I don't mind having a small population of these in a tank; they will munch small particles of uneaten food and some kinds of algae. If the population is allowed to grow unchecked they can become a problem, though.

Alright. Thanks. I try to not let their numbers get too big, but they annoy me to no end being in my tank. (Yeah, I probably sound like some crazy person, but it's one of those things that just piss me off. /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" />)

QUOTE
Again, seeing as you have no fish yet, it would be much easier to get rid of them now than later. Hope that helps!

I Have fish... /wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />

March 28, 2008
10:15 pm
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Matt
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Well at least you both have the less invasive species. It's really up to you guys whether you want to maintain a small population of these or not. They certainly won't do any harm provided you cull them regularly.

Cake or death?
March 28, 2008
11:11 pm
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Sofia
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I am keeping a small population, as they seem to keep the algae at bay, but anytime I see one close to the top I take it out and throw it into the garden.

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