Ramshorn Snail

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Widespread worldwide – There are various species of Ramshorn snails.


up to 4cm but rarely pass 2.5cm

Aquarium Size:

20 litre/5 gal – but be prepared for them breeding prolifically.

Preferred water conditions:

  • Temp: 20 – 26°C
  • pH: 7 – 8
  • Hardness: Hard – Calcium in the water helps to strengthen their shell.


To put it simply, Ramshorn snails will eat just about anything. Un-eaten fish food, algae, plant matter, they make an excellent addition to an aquarium clean up crew.


Ramshorn snails are extremely peaceful. They will spend most of their day in search of food or breeding. They breed very quickly and a single specimen is capable of self-fertilising its own eggs as they are hermaphroditic. They are often seen as an aquarium pest due to their ability to reproduce so quickly.




Breeding will be constant.


Ramshorn snails are great at keeping an aquarium clean of debris and algae. They will breed very quickly, but this does have its uses. Some fish will happily snack on a Ramshorn snail, Puffers in particular. So if you keep a fish that eats snails, then a small colony of Ramshorns may provide ou with a free food source indefinitely.

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