Freshwater fish species
Discover fascinating freshwater fish species in the UK. Learn about their habitats, behaviours, and how to identify these remarkable creatures in rivers and lakes.
From Dace to Minnow
From Pike to Tench
Rare and protected fish
Find out which rare and protected types of fish can be found in our canals and rivers.
Invasive and non-native fish
Our rivers, canals, lakes and ponds are under attack!
Note: All references to record-breaking size fish are taken from the British Record Fish Committee January 2015.
Our fish species guide has been brought to life thanks to wonderful images from Jack Perks Photography.
Last Edited: 20 January 2026
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