Our clear rivers are a great habitat
Our clean rivers are home to many different fish including salmon and trout. Salmon lay their eggs in the upper parts of rivers in gravel beds where there is lots of oxygen in the water.
When the eggs hatch the tiny fish live in the river for a couple of years growing bigger until they change into a ‘smolt’ with silver scales and head off to sea. They have to change the way their body deals with water as they move from fresh to salt water.