100 facts about trout
The process of ‘smoltification’ is undergone by young trout preparing to go to sea. They change in some amazing ways: for example, they become silvery by producing guanine crystals on their scales, their eyes enlarge and their internal organs adapt to cope with the move from fresh to sea water.
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Mayfly in the Classroom
A simple and low cost way of bringing river ecology to life in the classroom. Full teacher support resources available. >>
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