Environment Agency - Home

Common freshwater fish

Find out about common freshwater fish species, threats from non-native species, and the Gyrodactylus salaris parasite.

The more you know about a fish, the more enjoyable the fishing experience!

Please also read our Golden Rules for protecting wildlife, and the regulations for fishing for crayfish.

  • Barbel

    The barbel is gaining in popularity amongst anglers

  • Carp

    Carp are extraordinarily adaptable, which makes them very popular with anglers

  • Crayfish

    Crayfish trapping rules in the UK, and threats from non-native species.

  • Eels

    The eel fishery is the most valuable commercial inland fishery in England and Wales.

  • Pike

    The pike is one of the world's first-class freshwater predators

  • Roach

    One of the most popular fish among anglers

  • Non-native Fish

    Find out more about non-native fish species that are a significant threat to biodiversity.

  • Why non-native fish pose a threat to our fish stocks

    The introduction of non-native fish species to our waters is not a new phenomenon.

  • Gyrodactylus salaris

    Gyrodactylus salaris is spreading through Europe and threatening the UK's salmon population. Find out how you can help stop this parasite entering the UK.