River Swift

13 fish species have been recorded at 10 locations along the River Swift.

Records updated10 August 2026Most recent survey: 2017
Fish species
13
Places surveyed
10
Survey visits
22
Records span
1987–2017

Local EA evidence

Where fish were recorded

10 of 10 places shown

Choose a point on the map to see what was recorded there.

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River conditions

Environment Agency evidence

Fish found in this river

Open a linked fish for detailed measurements, or use the map filter above to compare survey locations.

FishSitesMost recentFish countedMeasured lengthMeasured weight
BullheadCottus gobio92017300Median: 6.6 cm147 fish measuredLargest measured bullhead: 10.7 cm—
3-spined sticklebackGasterosteus aculeatus82017123Median: 3.5 cm49 fish measuredLargest measured 3-spined stickleback: 6.2 cm—
Stone loachBarbatula barbatula82017165Median: 8.5 cm48 fish measuredLargest measured stone loach: 11.2 cm—
PikeEsox lucius7201332Median: 21.6 cm32 fish measuredLargest measured pike: 50.3 cm—
MinnowPhoxinus phoxinus5201778Median: 7 cm19 fish measuredLargest measured minnow: 9 cm—
RoachRutilus rutilus4201353Median: 10 cm53 fish measuredLargest measured roach: 26.3 cm—
European eelAnguilla anguilla4200614Median: 52.2 cm14 fish measuredLargest measured european eel: 65.5 cm—
DaceLeuciscus leuciscus3201380Median: 14.6 cm80 fish measuredLargest measured dace: 20.8 cm—
GudgeonGobio gobio3199250Median: 11.9 cm22 fish measuredLargest measured gudgeon: 13.3 cm—
ChubLeuciscus cephalus2201319Median: 17.1 cm18 fish measuredLargest measured chub: 32.7 cm—
Brown / sea troutSalmo trutta119961Recorded length: 52 cm1 fish measured—
PerchPerca fluviatilis120133Median: 13.5 cm3 fish measuredLargest measured perch: 14 cm—
RuffeGymnocephalus cernuus1198720Median: 7.1 cm20 fish measuredLargest measured ruffe: 8.2 cm—

EA surveys have recorded these fish at particular sites and times. Absence from a survey is not evidence that a species is absent from the river. Every valid individual length and weight is retained, with its sample size shown.

Useful context

This page follows survey locations along the main River Swift. Tributaries and unrelated rivers with similar names are kept separate.

The map shows past fish records, not fishing access or a promise of what you’ll catch today.

How RiverFish handles the data →