Snails in pond

I have a small pond 1 x 1.5 metres, about 60 cm deep. I have noticed seemingly hundreds of flat black snails, about the size of a honesty seed (which is what I thought they were to start with!). Do I need to be alarmed? They look nothing like any pond snail I've seen before.

Posts

  • Dave MorganDave Morgan Posts: 3,123

    Snails will find a pond like birds find food. They're good for the health of a pond and it shows you have a healthy one.

  • DovefromaboveDovefromabove Central Norfolk UKPosts: 56,603

    Are these Ramshorn snails?  image

    Scroll down here to see some http://www.watergardenplants.co.uk/Pond-Snails

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • They look  just like that.  How big will they grow? There are lots and lots. Hope the rest of the pond ecology won't suffer.   I've only ever had the pointy shell snails in previous ponds.

  • DovefromaboveDovefromabove Central Norfolk UKPosts: 56,603

    They'll be great for the ecology of the pond - they eat algae etc and will keep the water clear.  Sounds perfect image

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • image

    Oh good. I've already got a barley straw cylinder at the bottom, but still plenty of algae and the dreaded hair weed around. Kingcups just about to blossom and have seeded into my boggy bit, irises and water forgetmenot coming up.  Just a shame no frogspawn this year, although there were frogs in the pond last year.  we also have toads, so I'm hopeful for the future.

  • DovefromaboveDovefromabove Central Norfolk UKPosts: 56,603

    We made our pond in 2014 - we've had frogs visiting and this year the first frogspawn has arrived - some pics and lots of interesting stuff on this thread http://www.gardenersworld.com/forum/talkback/small-wildlife-pond/962681.html

    image

     

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • Gillian53Gillian53 Posts: 112

     I too have noticed what I think are small Ramshorn snails  which I've never introduced. Am I correct in thinking that they are better snails to have in the pond than the pointy shelled ones? Frogspawn for the first time this year Which has made me so happy!

  • Hi all - when I was researching my pond, there were 2 post-implementation recommendations for clear, healthy water - oxygenating plants and these algae-eating Ramshorn snails (black, round, grow to about the size of a ten pence piece).  The pointy shell ones eat the oxygenating plants!

     

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