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small fry 12-21-2010 12:03 AM

Curse the little hitch-hikers!!! (a snail invasion is begining)

I was enjoying watching my tetras, cories, and my new ghost shrimp swim around the tank. It is late right now. To my terrible dismay I saw a single snail crawling up the glass.:shock: ! Where on earth did this guy come from!? Must have been from some plants I got earlier this month. I checked the gravel from the tank it was in for snails, but the snails, being nocternal, must have hid too well.

How long before they take over? What can I do to stop them? I have seen 3 so far. I think if I put a piece of lettuce out, the ghost shrimp would slap the snails off all night (Kingston is Obsessed with slapping other fish over food). I can try it anyway, though.

It is my fully planted QT. I should have the fish out soon. I can move the GS over also. Will copper-based snail-killer injure the plants (anacharis, aponogeton, hornwort)? What about assassin snails? I have only read briefly over the topic of AS. Will they have a good effect on the invasive snail population? Will they damage the plants?

"I will never get a snail infestation, I will always check plants for snails".
It happened. Silly me. Pride comes before the snails completely infest my tank.:roll:

Tank stats;
Nitrates; 35ppm
Ammonia; 0ppm
Fish; 5 Lemon Tetra, 3 Corydoras (adding more soon)
Invert; 1 ghost shrimp, ? unknown species of snail
Size; 10g
Filteration; Carbon wo/ the carbon
Oldest member; Added June 15th (the day the tank started)
Current Diesases; none
Lighting; 15W 9350k (soon to change to 6500k)
Substrate; Gravel

Thanks for any info on the extermination!:-D

sik80 12-21-2010 05:44 AM

Accept your snails as friends cos its very hard to get rid of them by all accounts! I think they're interesting and they provide a valuable service of clearing up any excess food and eating algae. If you don't overfeed your fish the snail population should remain manageable.

I'd be very sceptical about adding any snail killing medication because of possible side effects on the fish

small fry 12-21-2010 08:39 AM

If I were to use snail-killing meds it would be after the fish were QTed, in between 2 groups, after all the fish are gone. The only animal in the tank at time of treatment would be the snails. But I am hesitant to use such products. I am worried about my plants and my water chemistry later.

Snails as friends? Well, they are cute and everything. I just have 1 problem...what if it is a plant-eating snail species?? That would be terrible! Even with 3 Corydoras (more to come), 1 ghost shrimp, and 5 Lemon Tetras that never let the flakes touch the ground (terminal mouths, that means they eat in the middle), there is still abit of food for the snails.:-(

What about assassin snails? Even if they can't control the population that much, it would be nice to know that I am at least trying. What is the good and the bad when it comes to assassin snails? I don't know what they look like. Do they have another common name?

The snails would be a tremendous problem if they were plant eaters! I don't know what kind of snail this is. It appears to have a swirly shell, like a hermit crab. It is super tiny. I have only seen 3, and I captured 1.


sik80 12-21-2010 08:55 AM

sounds like ramshorn snails from the shape of the shell. I used to have them in my tank but they seem to have died out and been replace by pond snails. Neither will eat healthy plants.

small fry 12-21-2010 08:58 AM

My plants appear very healthy. They have good lighting right now.

What about assassin snails? No one has said anything about those.

redchigh 12-21-2010 09:10 AM

assassin snails will eat snails and ignore plants, but really, ramshorn and pond snails ignore plants in my opinion (unless the plants aren't healhy).

All of my tanks have a modest population of snails. It seems pond snails can out-compete ramshorns... they're worse imo though. ramshorns are cute.

small fry 12-21-2010 09:19 AM

I'll keep an eye on the ramshorns, but I still think my tank would be more exciting with an assassin snail.:-)

Blaxicanlatino 12-21-2010 09:30 AM

i remember i had a few pond snails arrive into my tank but when they fall off the glass, my ghost shrimp tore them all to shreds

small fry 12-21-2010 09:31 AM


Originally Posted by Blaxicanlatino (Post 539465)
i remember i had a few pond snails arrive into my tank but when they fall off the glass, my ghost shrimp tore them all to shreds

Ouch! Would 1 GS do that to an assassin snail?

redchigh 12-21-2010 09:37 AM

I have a shrimp in my main tank, and I have snails.... I would bet that the shrimp has to be starving...

If a ghost shrimp got too close to an assassin, the assassin would probably eat it. They eat caridina species in the wild. (Although, they prefer snails since they're easier to catch.)

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