Snail ID? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 03-11-2005, 01:42 PM Thread Starter
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Snail ID?

After adding a few plants to my tank, I had some generic pond snails, and this odd, very small (only a couple of mm) clear snail show up. Any idea what it is, or if it's benign or a real problem in the planted tank?

Thanks for any information!
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post #2 of 4 (permalink) Old 03-11-2005, 02:50 PM
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If I had to guess, that's a baby ramshorn. Every once in a while, I'll see a few of them. I just crush them for the fish to each.
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post #3 of 4 (permalink) Old 03-11-2005, 04:26 PM
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Not a Marisa cornuarietis baby (Marisa will grow to about over an inch, they have trapdoors and breathing siphon and they are apple snails), but a some sort of small ramshorn snail, possible species are numerous but they are called Planorbids and they belong to the same genera.

The ones in this picture are most likely Gyraulus albus, white ramshorn snails:

The size of these small snails vary between 0.1-0.4 inches (3-10 millimetres). They are the most annoying small snails I know, it is impossible to find their tiny egg clutches so the only option is to get rid of the snails themselves (much slower than removing the clutches). But they also do eat some algae from the plants and other surfaces. Since they are so small they can roam around even on the thinnest plants. But... even though I keep the pest snails as the only algae eaters in my tank, if there's too many of them they will also munch the plants themselves.

Might be best to remove all the planorbids you see.
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post #4 of 4 (permalink) Old 03-12-2005, 11:18 AM Thread Starter
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Thanks -- next time I see that snail (or others like it), it's history.

Interestingly, tiny pond snails get snapped up by my largest female zebra danio! I accidentally crushed one against the glass trying to get it out of the tank once and she snapped it up. Since then, I've seen her dislodge the littlest pond snails from the glass herself and eat them. I haven't seen a pond snail in weeks! I had no idea a danio would do that!
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