Good or bad snail?

[Ericbrooks]

Have a bunch of theses that started showing up.they grow fast.i see them everywhere In my tank.i hope there not bad..I don't know how I would get them all out.they range in size.these are the biggest.

 

[TraceyB4602]

I have a bunch in my tank they are good snails. They eat the algae off of your sand and the rocks and everything else they can get into. I bought them off live aquaria as part of a clean up crew. I believe they are called narcissia snails... Spelling is def wrong but close

 

[crister13]

Spelling is nassarius.

 

[Jdzadik]

They could be nassarius, but i dont think they are. Do they burrow in the sand bed? Looks more like stomatella varia to me. I have like a hundred of them in one of my tanks. They are harmless herbivores. I dont know how they survive in such large numbers, but they do and help keep my tank clean.

 

[Ericbrooks]

No they don't go in the sand..they stay on the sides of the aquarium.at night they come out and in the day I don't know where they go.i have like 5 big ones and like a hundred tiny ones.

 

[Jdzadik]

Yeah i doubt its a nassarius snail. Look here http://www.worldwidereefers.com/forums/showthread.php?4768-Hitchhiker-id-guide
Or other hitchhikers guides on google to see if you can match it up. But from your pictures i feel like it is a stomatella varia.

 

[crister13]

If they stay out of the sand they're definitely not nassarius. Probably beneficial.

 

[David S]

looks like stomatella and can reproduce well in a tank,dont worry if your tank goes a bit cloudy as its probably due to them when breeding.