List of freshwater fishes of Britain sorted alphabetically

To identify the type of fish by its appearance, we recommend using a convenient guide of freshwater fishes of Britain

Sort by: Name | Weight | Length without tail | Latin name
Fishes found: 79
Allis shad

Allis shad

Order: Clupeiformes Family: Clupeidae
alosa alosa
Alice shad, Allice shad, Mayfish, Shad
Max. lengthLength: up to 83 cm.
Max. weightWeight: up to 4 kg.
Amur bitterling

Amur bitterling

Order: Cypriniformes Family: Cyprinidae
rhodeus sericeus
Bitterling, Mur bitterling
Max. lengthLength: up to 10 cm.
Max. weightWeight: up to 15 g.
Arctic char

Arctic char

Order: Salmonidae Family: Salmonidae
salvelinus alpinus
Alpine char, Arctic charr, Breeder, Char, Charr, Davatchan, Lake char, Redfish, Salt-water trout, Sea run trout, Sea trout, Trout
Max. lengthLength: up to 88 cm.
Max. weightWeight: up to 16 kg.
Arctic cisco

Arctic cisco

Order: Salmonidae Family: Salmonidae
coregonus autumnalis
Pollan
Max. lengthLength: up to 64 cm.
Max. weightWeight: up to 5.2 kg.
Atlantic salmon

Atlantic salmon

Order: Salmonidae Family: Salmonidae
salmo salar
Bay salmon, Black salmon, Breeder, Caplin-scull salmon, Common Fiddler, Grayling, Grilse, Grilt, Kelt, Landlocked salmon, N. Ouananiche, Ouinanish, Outside salmon, Parr, Salmon, Salmon peel, Sea salmon, Sebago salmon, Silver salmon, Slink, Smolt, Spring fish, Spring salmon, Winnish
Max. lengthLength: up to 150 cm.
Max. weightWeight: up to 43 kg.
Big-scale sand smelt

Big-scale sand smelt

Order: Atheriniformes Family: Old World silverside
atherina boyeri
Black sea silverside, Boyer's sand smelt
Max. lengthLength: up to 15 cm.
Max. weightWeight: up to 30 g.
Black bullhead

Black bullhead

Order: siluriformes Family: Ictaluridae
ameiurus melas
Black catfish, Hornedpout, Yellow belly bullhead
Max. lengthLength: up to 66 cm.
Max. weightWeight: up to 3.6 kg.
Blicca

Blicca

Order: Cypriniformes Family: Cyprinidae
blicca bjoerkna
Flat bream, Silver bream, White bream
Max. lengthLength: up to 35 cm.
Max. weightWeight: up to 1.3 kg.
Blunt-nosed Irish charr

Blunt-nosed Irish charr

Order: Salmonidae Family: Salmonidae
salvelinus obtusus
Blunt-snouted charr
Max. lengthLength: up to 18 cm.
Max. weightWeight: up to 64 g.
Brook lamprey

Brook lamprey

Order: Lamprey Family: Petromyzontidae
lampetra planeri
Brook Lamprey, European brook lamprey, Pride, Sand-pride, Western brook lamprey
Max. lengthLength: up to 21 cm.
Max. weightWeight: up to 20 g.
Brook trout

Brook trout

Order: Salmonidae Family: Salmonidae
salvelinus fontinalis
American brook charr, American brook trout, Aurora trout, Baiser, Breeder, Brook char, Brook charr, Brookie, Char, Coaster, Common brook trout, Eastern brook trout, Eastern speckled trout, Humpbacked trout, Lord-fish, Mountain trout, Mud trout, Native trout, Salter, Sea trout, Slob, Speckled char, Speckled trout, Specks, Square-tail, Squaretail, Squaretailed trout, Trout, Whitefin
Max. lengthLength: up to 86 cm.
Max. weightWeight: up to 8 kg.
Brown bullhead

Brown bullhead

Order: Salmonidae Family: Ictaluridae
ameiurus nebulosus
Brown bullhead catfish, Brown catfish, Bullhead, Catfish, Common bullhead, Common catfish, Horned pout, Hornpout, Marbled bullhead, Minister, Mudcat, Northern brown bullhead
Max. lengthLength: up to 45 cm.
Max. weightWeight: up to 2 kg.
Brown trout

Brown trout

Order: Salmonidae Family: Salmonidae
salmo trutta
Blacktail, Brook trout, Brownie, Finnock, Galway sea trout, Gillaroo, Herling, Hirling, Loch leven trout, Orange fin, Orkney sea trout, Peal, Salmon trout, Sea trout, Sea-trout, Sewin, Trout, Whiting, Whitling
Max. lengthLength: up to 100 cm.
Max. weightWeight: up to 20 kg.
Burbot

Burbot

Order: Gadiformes Family: Gadidae
lota lota
American burbot, Eelpout, Ellpout, Freshwater cod, Freshwater eel, Lawyer, Ling, Lush, Maria, Mud shark, Thin-tailed burbot
Max. lengthLength: up to 120 cm.
Max. weightWeight: up to 18 kg.
Channel catfish

Channel catfish

Order: Cypriniformes Family: Ictaluridae
ictalurus punctatus
Graceful catfish
Max. lengthLength: up to 132 cm.
Max. weightWeight: up to 20 kg.
Chub

Chub

Order: Cypriniformes Family: Cyprinidae
squalius cephalus
European chub
Max. lengthLength: up to 80 cm.
Max. weightWeight: up to 4 kg.
Common barbel

Common barbel

Order: Cypriniformes Family: Cyprinidae
barbus barbus
Barbel
Max. lengthLength: up to 90 cm.
Max. weightWeight: up to 10 kg.
Common bleak

Common bleak

Order: Cypriniformes Family: Cyprinidae
alburnus alburnus
Bleak
Max. lengthLength: up to 25 cm.
Max. weightWeight: up to 100 g.
Common bream

Common bream

Order: Cypriniformes Family: Cyprinidae
abramis brama
Aral bream, Bream, Bronze bream, Carp bream, Danube bream, Eastern bream, Freshwater bream
Max. lengthLength: up to 82 cm.
Max. weightWeight: up to 10 kg.
Common carp

Common carp

Order: Cypriniformes Family: Cyprinidae
cyprinus carpio
Aischgrund carp, Asian carp, Blubber lips, Calico carp, Carp, Chinese carp, Edible carp, Euro, European carp, German carp, Grass carp, Great carp, Koi, Koi carp, Leather carp, Mirror carp, Mud sucker, Nishiki-koi, Scale carp, Wild carp, Wild common carp
Max. lengthLength: up to 120 cm.
Max. weightWeight: up to 45 kg.
Common dace

Common dace

Order: Cypriniformes Family: Cyprinidae
leuciscus leuciscus
Dace, Eurasian dace, Graining, Hasel
Max. lengthLength: up to 40 cm.
Max. weightWeight: up to 1 kg.
Common minnow

Common minnow

Order: Cypriniformes Family: Cyprinidae
phoxinus phoxinus
Eurasian minnow, European minnow, Italian minnow, Minnow, Zaisan minnow
Max. lengthLength: up to 9 cm.
Max. weightWeight: up to 15 g.
Common roach

Common roach

Order: Cypriniformes Family: Cyprinidae
rutilus rutilus
Roach, Siberian roach
Max. lengthLength: up to 50 cm.
Max. weightWeight: up to 3 kg.
Common rudd

Common rudd

Order: Cypriniformes Family: Cyprinidae
scardinius erythrophthalmus
Pearl roach, Redeye, Rudd
Max. lengthLength: up to 49 cm.
Max. weightWeight: up to 2 kg.
Crucian carp

Crucian carp

Order: Cypriniformes Family: Cyprinidae
carassius carassius
English carp, Gibele, Golden carp, Prussian carp, Wild goldfish, Yakut crucian carp
Max. lengthLength: up to 36 cm.
Max. weightWeight: up to 1.5 kg.
European bitterling

European bitterling

Order: Cypriniformes Family: Cyprinidae
rhodeus amarus
Bitterling
Max. lengthLength: up to 11 cm.
Max. weightWeight: up to 18 g.
European bullhead

European bullhead

Order: Scorpaeniformes Family: Cottidae
cottus gobio
Bullhead, Common bullhead, Freshwater sculpin, Miller's thumb, Sculpin, Timavo sculpin
Max. lengthLength: up to 20 cm.
Max. weightWeight: up to 50 g.
European cisco

European cisco

Order: Salmonidae Family: Salmonidae
coregonus albula
Vendace, White fish
Max. lengthLength: up to 46 cm.
Max. weightWeight: up to 1 kg.
European eel

European eel

Order: Eel Family: Anguillidae
anguilla anguilla
Common eel, Eel, River eel, Silver eel, Sing eel, Weed eel, Yellow eel
Max. lengthLength: up to 150 cm.
Max. weightWeight: up to 6 kg.
European flounder

European flounder

Order: Flatfish Family: Pleuronectidae
platichthys flesus
Baltic flounder, Butt, Flounder, Fluke, Mediterranean flounder, Mud flounder, River flounder, White fluke
Max. lengthLength: up to 60 cm.
Max. weightWeight: up to 2.9 kg.
European grayling

European grayling

Order: Salmonidae Family: Salmonidae
thymallus thymallus
Grayling
Max. lengthLength: up to 60 cm.
Max. weightWeight: up to 6.7 kg.
European perch

European perch

Order: Perciformes Family: Percidae
perca fluviatilis
English perch, Eurasian perch, Perch, Reddie, Redfin, Redfin perch, River perch
Max. lengthLength: up to 50 cm.
Max. weightWeight: up to 2 kg.
European river lamprey

European river lamprey

Order: Lamprey Family: Petromyzontidae
lampetra fluviatilis
Lampern, River lamprey, Stone eel
Max. lengthLength: up to 49 cm.
Max. weightWeight: up to 150 g.
European sea sturgeon

European sea sturgeon

Order: Acipenseriformes Family: Sturgeon
acipenser sturio
Atlantic sturgeon, Baltic sturgeon, Common sturgeon, European sturgeon, Sea sturgeon, Sturgeon
Max. lengthLength: up to 600 cm.
Max. weightWeight: up to 400 kg.
European smelt

European smelt

Order: Osmeriformes Family: Smelt (fish)
osmerus eperlanus
Lake dwarf smelt, Sand smelt, Sea smelt, Smelt, Sparling
Max. lengthLength: up to 31 cm.
Max. weightWeight: up to 182 g.
Fathead minnow

Fathead minnow

Order: Cypriniformes Family: Cyprinidae
pimephales promelas
Black-head minnow, Rosey reds
Max. lengthLength: up to 10 cm.
Max. weightWeight: up to 10 g.
Ferox trout

Ferox trout

Order: Salmonidae Family: Salmonidae
salmo ferox
Ferox brown trout
Max. lengthLength: up to 80 cm.
Max. weightWeight: up to 6.114 kg.
Gillaroo

Gillaroo

Order: Salmonidae Family: Salmonidae
salmo stomachicus
Max. lengthLength: up to 36 cm.
Max. weightWeight: up to 544 g.
Golden charr

Golden charr

Order: Salmonidae Family: Salmonidae
salvelinus youngeri
Max. lengthLength: up to 25 cm.
Max. weightWeight: up to 174 g.
Golden grey mullet

Golden grey mullet

Order: Mullet (fish) Family: Mullet (fish)
chelon auratus
Golden mullet, Long-finned grey mullet
Max. lengthLength: up to 59 cm.
Max. weightWeight: up to 2.5 kg.
Goldfish

Goldfish

Order: Cypriniformes Family: Cyprinidae
carassius auratus
Carp, Crucian carp, Edible goldfish, Gibel carp, Gold crucian carp, Goldcarp, Golden carp, Native carp, New Zealand, Prussian carp
Max. lengthLength: up to 48 cm.
Max. weightWeight: up to 4.1 kg.
Gudgeon

Gudgeon

Order: Cypriniformes Family: Cyprinidae
gobio gobio
Issyk-Kul gudgeon
Max. lengthLength: up to 22 cm.
Max. weightWeight: up to 192 g.
Guppy

Guppy

Order: cyprinodontiformes Family: poeciliidae
poecilia reticulata
Barbados millions, Guppies, Million fish, Millions, Millions fish, Rainbow fish
Max. lengthLength: up to 7 cm.
Max. weightWeight: up to 6 g.
Haddy charr

Haddy charr

Order: Salmonidae Family: Salmonidae
salvelinus killinensis
Max. lengthLength: up to 40 cm.
Max. weightWeight: up to 725 g.
Haweswater charr

Haweswater charr

Order: Salmonidae Family: Salmonidae
salvelinus lonsdalii
Lonsdale's charr
Max. lengthLength: up to 15 cm.
Max. weightWeight: up to 37 g.
Ide

Ide

Order: Cypriniformes Family: Cyprinidae
leuciscus idus
Golden orfe, Orfe, Silver orfe
Max. lengthLength: up to 53 cm.
Max. weightWeight: up to 2.8 kg.
Large-mouthed charr

Large-mouthed charr

Order: Salmonidae Family: Salmonidae
salvelinus maxillaris
Max. lengthLength: up to 27 cm.
Max. weightWeight: up to 219 g.
Leucaspius

Leucaspius

Order: Cypriniformes Family: Cyprinidae
leucaspius delineatus
Belica, Foy, Rain-bleak, Sunbleak, Verkhovka, White aspe
Max. lengthLength: up to 9 cm.
Max. weightWeight: up to 30 g.
Malloch's charr

Malloch's charr

Order: Salmonidae Family: Salmonidae
salvelinus mallochi
Max. lengthLength: up to 26 cm.
Max. weightWeight: up to 196 g.
Mud loach

Mud loach

Order: Cypriniformes Family: Cobitidae
misgurnus fossilis
Weather-fish, Weatherfish
Max. lengthLength: up to 30 cm.
Max. weightWeight: up to 40 g.
Nile tilapia

Nile tilapia

Order: Cichliformes Family: Cichlid
oreochromis niloticus
Baringo tilapia, Cichlid, Edward tilapia, Mango fish, Mozambique tilapia, Nilotica, Tilapia
Max. lengthLength: up to 60 cm.
Max. weightWeight: up to 4.3 kg.
Ninespine stickleback

Ninespine stickleback

Order: Scorpaeniformes Family: Stickleback
pungitius pungitius
Barnstickle, Barnystickle, Barnytickle, Branchy, Branstickle, Doctor, Nine-spined stickleback, Pinfish, Prickley, Prickly, Prickly back, Spanicle, Spannistickle, Spanny, Spannystickle, Spantickle, Sparnicle, Sparny, Sparnytickle, Spawn, Spawnykettle, Spawnytickle, Stickleback, Ten-spine stickleback, Ten-spined stikleback, Thornback, Thorny back, Tiny burnstickle
Max. lengthLength: up to 7 cm.
Max. weightWeight: up to 2 g.
Northern pike

Northern pike

Order: Esociformes Family: Esocidae
esox lucius
American pike, Common pike, Great Lakes pike, Great northern pickerel, Great northern pike, Jack, Jackfish, Pickerel, Pike, Snake, Wolf
Max. lengthLength: up to 150 cm.
Max. weightWeight: up to 25 kg.
Orkney charr

Orkney charr

Order: Salmonidae Family: Salmonidae
salvelinus inframundus
Max. lengthLength: up to 22 cm.
Max. weightWeight: up to 118 g.
Pumpkinseed

Pumpkinseed

Order: Perciformes Family: centrarchidae
lepomis gibbosus
Common sunfish, Pond perch, Pumkinseed, Pumpkinseed sunfish, Punky, Sun bass, Sunfish, Sunny, Yellow sunfish
Max. lengthLength: up to 28 cm.
Max. weightWeight: up to 680 g.
Rainbow trout

Rainbow trout

Order: Salmonidae Family: Salmonidae
oncorhynchus mykiss
Baiser, Baja California rainbow trout, Bow, Brown trout, Coast angel trout, Coast rainbow trout, Coast range trout, Hardhead, Kamchatka salmon, Kamchatka steelhead, Kamchatka trout, Kamloops, Kamloops trout, Lord-fish, Redband, Redband trout, Salmon trout, Silver trout, Steelhead, Steelhead trout, Summer salmon
Max. lengthLength: up to 90 cm.
Max. weightWeight: up to 6 kg.
Rannoch planktivorous charr

Rannoch planktivorous charr

Order: Salmonidae Family: Salmonidae
salvelinus struanensis
Struan charr
Max. lengthLength: up to 36 cm.
Max. weightWeight: up to 526 g.
Rock goby

Rock goby

Order: Gobiiformes Family: Gobiidae
gobius paganellus
Max. lengthLength: up to 12 cm.
Max. weightWeight: up to 25 g.
Ruffe

Ruffe

Order: Perciformes Family: Percidae
gymnocephalus cernua
Pope
Max. lengthLength: up to 15 cm.
Max. weightWeight: up to 50 g.
Salvelinus willughbii

Salvelinus willughbii

Order: Salmonidae Family: Salmonidae
salvelinus willoughbii
Autumn Windermere charr, Char, Willoughby's charr
Max. lengthLength: up to 30 cm.
Max. weightWeight: up to 302 g.
Schelly

Schelly

Order: Salmonidae Family: Salmonidae
coregonus stigmaticus
Max. lengthLength: up to 32 cm.
Max. weightWeight: up to 235 g.
Sea lamprey

Sea lamprey

Order: Lamprey Family: Petromyzontidae
petromyzon marinus
Eel sucker, Great sea lamprey, Green lamprey, Green sea lamprey, Lake Lamprey, Lamper, Lamprey eel, Marine lamprey, Nannie nine eyes, Nine eyes, Shad lamprey, Spotted lamprey, Stone sucker, Sucker
Max. lengthLength: up to 120 cm.
Max. weightWeight: up to 2.3 kg.
Shetland charr

Shetland charr

Order: Salmonidae Family: Salmonidae
salvelinus gracillimus
Max. lengthLength: up to 35 cm.
Max. weightWeight: up to 280 g.
Smoothtail ninespine stickleback

Smoothtail ninespine stickleback

Order: Perciformes Family: Stickleback
pungitius laevis
Max. lengthLength: up to 8 cm.
Max. weightWeight: up to 3 g.
Sonaghen

Sonaghen

Order: Salmonidae Family: Salmonidae
salmo nigripinnis
Max. lengthLength: up to 33 cm.
Max. weightWeight: up to 418 g.
Spined loach

Spined loach

Order: Cypriniformes Family: Cobitidae
cobitis taenia
Spine loach, Spiny loach, Weatherfish
Max. lengthLength: up to 12 cm.
Max. weightWeight: up to 15 g.
Sterlet

Sterlet

Order: Acipenseriformes Family: Sturgeon
acipenser ruthenus
Sterlet sturgeon
Max. lengthLength: up to 125 cm.
Max. weightWeight: up to 16 kg.
Stone loach

Stone loach

Order: Cypriniformes Family: Nemacheilidae
barbatula barbatula
Bearded stone loach, European stone loach, Groundling, Siberian stone loach, Terek stone loach
Max. lengthLength: up to 18 cm.
Max. weightWeight: up to 25 g.
Stone moroko

Stone moroko

Order: Cypriniformes Family: Cyprinidae
pseudorasbora parva
False razbora, Stone moroco, Stone morokos, Topmouth gudgeon, Topmouth minnow
Max. lengthLength: up to 11 cm.
Max. weightWeight: up to 25 g.
Tench

Tench

Order: Cypriniformes Family: Cyprinidae
tinca tinca
Doctor fish, Doctor-fish, Green tench
Max. lengthLength: up to 70 cm.
Max. weightWeight: up to 7.5 kg.
Thicklip grey mullet

Thicklip grey mullet

Order: Mullet (fish) Family: Mullet (fish)
chelon labrosus
Grey mullet, Lesser grey mullet, Thichlip mullet, Thick lipped mullet, Thick-lipped grey mullet, Thick-lipped mullet
Max. lengthLength: up to 75 cm.
Max. weightWeight: up to 4.5 kg.
Thinlip mullet

Thinlip mullet

Order: Mullet (fish) Family: Mullet (fish)
chelon ramada
Grey mullet, Haarder, Mowel, Thin-lipped grey mullet, Thinlip grey mullet
Max. lengthLength: up to 50 cm.
Max. weightWeight: up to 3 kg.
Three-spined stickleback

Three-spined stickleback

Order: Gasterosteoidei Family: Stickleback
gasterosteus aculeatus
Banstickle, Barnstickle, Barnystickle, Barnytickle, Branchy, Branstickle, Burnstickle, Common stickleback, Cushy, Doctor, Eastern stickleback, European stickleback, Jacksharp, New York stickleback, Pinfish, Prickley, Prickly, Prickly back, Saw-finned stickleback, Spanicle, Spannistickle, Spanny, Spannytickle, Spantickle, Sparnicle, Sparny, Sparnytickle, Spawn, Spawnykettle, Spawnytickle, Stickleback, Thornback, Thorny back, Threespine stickleback, Threespined stickleback, Tiddler, Twospine stickleback
Max. lengthLength: up to 12 cm.
Max. weightWeight: up to 10 g.
Torgoch charr

Torgoch charr

Order: Salmonidae Family: Salmonidae
salvelinus perisii
Max. lengthLength: up to 25 cm.
Max. weightWeight: up to 99 g.
Vendace

Vendace

Order: Salmonidae Family: Salmonidae
coregonus vandesius
Max. lengthLength: up to 20 cm.
Max. weightWeight: up to 54 g.
Wels catfish

Wels catfish

Order: Cypriniformes Family: Siluridae
silurus glanis
Danube catfish, European catfish, Sheatfish, Som catfish
Max. lengthLength: up to 400 cm.
Max. weightWeight: up to 150 kg.
Zander

Zander

Order: Perciformes Family: Percidae
sander lucioperca
European pike-perch, Perch-pike, Pike-perch, Pikeperch
Max. lengthLength: up to 110 cm.
Max. weightWeight: up to 15 kg.
common whitefish

common whitefish

Order: Salmonidae Family: Salmonidae
coregonus lavaretus
European whitefish, Baltic whitefish, Common whitefish, Houting, Lake Chud whitefish, Lavaret, Pollan, Powan, Schelly, Whitefish
Max. lengthLength: up to 68 cm.
Max. weightWeight: up to 12 kg.
cottus perifretum

cottus perifretum

Order: Scorpaeniformes Family: Cottidae
cottus perifretum
Max. lengthLength: up to 13 cm.
Max. weightWeight: up to 32 g.

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