Ram's Horn Snail
Scientific Name: Planorbis sp.
Group: Mollusc
Size:25mm

These are very common and are found on plants at the pond margin. Most are less than 1 cm across, but can be larger. They are herbivores and graze on the algae that coat the water plants. The shell is a simple flat coil with no spire or point. Small Ram's Horn snails are eaten by fish. 

Food chain
Position in Food chain:
Primary consumers (herbivore)
They eat:
algae
They are eaten by:
fish, tufted ducks

Snail eggs

Life cycle
Snails lay eggs on the plants in the pond, the eggs are covered in jelly to protect them. When the eggs hatch they are full of little baby snails.

Find out more about Ramshorn Snails

Canterbury Environmental Education Centre