River Lonco Brk

10 fish species have been recorded at 1 location along the River Lonco Brk.

Records updated10 August 2026Most recent survey: 2023
Fish species
10
Places surveyed
1
Survey visits
5
Records span
1992–2023

Local EA evidence

Where fish were recorded

1 of 1 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
Brown / sea troutSalmo trutta1202343Median: 18.1 cm22 fish measuredLargest measured brown / sea trout: 30.1 cm—
BullheadCottus gobio1202336Median: 6.1 cm20 fish measuredLargest measured bullhead: 8 cm—
Stone loachBarbatula barbatula1202317Median: 10.4 cm17 fish measuredLargest measured stone loach: 13 cm—
DaceLeuciscus leuciscus1199626——
European eelAnguilla anguilla119969——
RoachRutilus rutilus119962——
Brook lampreyLampetra planeri120231Recorded length: 17.2 cm1 fish measured—
GudgeonGobio gobio119921——
MinnowPhoxinus phoxinus11992———
PerchPerca fluviatilis119962——

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 Lonco Brk. 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 →