Petherton Stream

7 fish species have been recorded at 2 locations along the Petherton Stream.

Records updated10 August 2026Most recent survey: 2012
Fish species
7
Places surveyed
2
Survey visits
3
Records span
2006–2012

Local EA evidence

Where fish were recorded

2 of 2 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
Brook lampreyLampetra planeri220127Median: 13 cm7 fish measuredLargest measured brook lamprey: 17 cm—
European eelAnguilla anguilla2201219Median: 22.5 cm19 fish measuredLargest measured european eel: 39 cm—
3-spined sticklebackGasterosteus aculeatus1201242Median: 5.2 cm42 fish measuredLargest measured 3-spined stickleback: 6.2 cm—
Brown / sea troutSalmo trutta120061Recorded length: 15.7 cm1 fish measuredRecorded weight: 1.9 oz (0.054 kg)1 fish weighed
BullheadCottus gobio1201210Median: 7.1 cm10 fish measuredLargest measured bullhead: 9.7 cm—
Rainbow troutOncorhynchus mykiss120122Median: 20.3 cm2 fish measuredLargest measured rainbow trout: 20.9 cm—
Stone loachBarbatula barbatula1201214Median: 8 cm14 fish measuredLargest measured stone loach: 9.2 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 Petherton Stream. 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 →