Costa Beck

12 fish species have been recorded at 6 locations along the Costa Beck.

Records updated10 August 2026Most recent survey: 2023
Fish species
12
Places surveyed
6
Survey visits
28
Records span
1995–2023

Local EA evidence

Where fish were recorded

6 of 6 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 gobio6202370Median: 5.8 cm70 fish measuredLargest measured bullhead: 9.7 cm—
Brown / sea troutSalmo trutta62023132Median: 21.6 cm128 fish measuredLargest measured brown / sea trout: 49.1 cm—
Rainbow troutOncorhynchus mykiss6202341Median: 22.1 cm41 fish measuredLargest measured rainbow trout: 39.4 cm—
GraylingThymallus thymallus52023173Median: 19.7 cm150 fish measuredLargest measured grayling: 42.8 cm—
MinnowPhoxinus phoxinus4202392Median: 6.2 cm78 fish measuredLargest measured minnow: 9.4 cm—
3-spined sticklebackGasterosteus aculeatus4202320Median: 3.7 cm14 fish measuredLargest measured 3-spined stickleback: 8.5 cm—
European eelAnguilla anguilla32013———
Stone loachBarbatula barbatula220237Median: 9.6 cm7 fish measuredLargest measured stone loach: 11.2 cm—
DaceLeuciscus leuciscus2202322Median: 16.5 cm20 fish measuredLargest measured dace: 24.9 cm—
PikeEsox lucius2201335Median: 38.6 cm34 fish measuredLargest measured pike: 70 cm—
GudgeonGobio gobio120052Median: 12.2 cm2 fish measuredLargest measured gudgeon: 12.7 cm—
PerchPerca fluviatilis119971Recorded length: 28.8 cm1 fish measured—

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 Costa Beck. 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 →