They can grow up to 11mm so they are quite small. There scientific name is a gammarus and you can see them all year round. They are in the uk and they don’t live very long the live about 9 to 12 months. You mostly see them in slow streams and sometimes in ponds and lakes and we saw them at a loch. They eat algae. They are sometimes grey and sometimes an orange-brown colour. They have 7 pairs of legs and 2 pair of antennae. They are often found in groups and they swim on there side.
Freshwater shrimp by Zara
