River Market Rasen Reach

17 fish species have been recorded at 6 locations along the River Market Rasen Reach.

Records updated10 August 2026Most recent survey: 2024
Fish species
17
Places surveyed
6
Survey visits
37
Records span
1986–2024

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
Stone loachBarbatula barbatula620241,129Median: 7.2 cm979 fish measuredLargest measured stone loach: 11.9 cm—
3-spined sticklebackGasterosteus aculeatus52024599Median: 3.8 cm509 fish measuredLargest measured 3-spined stickleback: 7.3 cm—
DaceLeuciscus leuciscus520151,751Median: 13.5 cm1,751 fish measuredLargest measured dace: 26 cm—
GudgeonGobio gobio52015738Median: 9.4 cm738 fish measuredLargest measured gudgeon: 15.8 cm—
European eelAnguilla anguilla52007266Median: 48 cm3 fish measuredLargest measured european eel: 55 cm—
PikeEsox lucius4201542Median: 31.2 cm42 fish measuredLargest measured pike: 76.5 cm—
PerchPerca fluviatilis4201469Median: 11.1 cm69 fish measuredLargest measured perch: 28.7 cm—
ChubLeuciscus cephalus42007255Median: 25.2 cm255 fish measuredLargest measured chub: 43.6 cm—
RoachRutilus rutilus320153,382Median: 11.1 cm3,012 fish measuredLargest measured roach: 28.6 cm—
Spined loachCobitis taenia320153Median: 5.9 cm3 fish measuredLargest measured spined loach: 7.2 cm—
Brown / sea troutSalmo trutta2201823Median: 30 cm23 fish measuredLargest measured brown / sea trout: 38.6 cm—
RuffeGymnocephalus cernuus21993171Median: 7.3 cm153 fish measuredLargest measured ruffe: 14.2 cm—
Silver breamAbramis bjoerkna2200724Median: 6.7 cm24 fish measuredLargest measured silver bream: 22.2 cm—
10-spined sticklebackPungitius pungitius220152Median: 4.8 cm2 fish measuredLargest measured 10-spined stickleback: 4.9 cm—
Common breamAbramis brama1199626Median: 23.5 cm26 fish measuredLargest measured common bream: 38.7 cm—
Rainbow troutOncorhynchus mykiss120182Median: 38.2 cm2 fish measuredLargest measured rainbow trout: 40.2 cm—
BleakAlburnus alburnus119891Recorded length: 10.2 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 River Market Rasen Reach. 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 →