River Lark

6 fish species have been recorded at 1 location along the River Lark.

Records updated10 August 2026Most recent survey: 2017
Fish species
6
Places surveyed
1
Survey visits
4
Records span
1998–2017

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
10-spined sticklebackPungitius pungitius120179Median: 4.4 cm9 fish measuredLargest measured 10-spined stickleback: 5.2 cm—
3-spined sticklebackGasterosteus aculeatus12017104Median: 4 cm104 fish measuredLargest measured 3-spined stickleback: 6.1 cm—
European eelAnguilla anguilla1201755Median: 28.2 cm10 fish measuredLargest measured european eel: 45.6 cmMedian: 1.2 oz (0.033 kg)10 fish weighedLargest measured: 6.2 oz (0.176 kg)
Stone loachBarbatula barbatula1201765Median: 9 cm65 fish measuredLargest measured stone loach: 12.2 cm—
Brown / sea troutSalmo trutta120178Median: 13.5 cm8 fish measuredLargest measured brown / sea trout: 23.2 cm—
RoachRutilus rutilus120174Median: 12.4 cm4 fish measuredLargest measured roach: 16.9 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 Lark. 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 →