RiverFish

Perch · Perca fluviatilis

Perch in the River Market Rasen Reach

Largest measured perch: 28.7 cm

The largest perch measured in Environment Agency surveys of the River Market Rasen Reach was 28.7 cm, recorded at Bishops Bridge (Rase) on 10 October 2002.

Across 69 measured perch, the median measured length was 11.1 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Market Rasen Reach.

See perch records across England →

Most recent observation19 March 2014Pilford Bridge · 13 fish
Largest measured perch
28.7 cm
Median length
11.1 cm
Fish measured
69
Survey locations
4

Individual EA measurements

Largest measured perch

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
28.7 cm10 Oct 2002Bishops Bridge (Rase)72227
27.6 cm9 Apr 1996Bishops Bridge (Rase)57567
26.5 cm10 Oct 2002Bishops Bridge (Rase)72227
26.4 cm9 Apr 1996Bishops Bridge (Rase)57567
25.6 cm10 Oct 2002Bishops Bridge (Rase)72227
22.3 cm8 Mar 1993Bishops Bridge (Rase)57595
21.4 cm8 Mar 1993Bishops Bridge (Rase)57595
18.9 cm30 Jul 1996Upstream Bishops Bridge57570
18.2 cm16 Jul 2007Upstream Bishops Bridge106017
18.1 cm30 Jul 1996Upstream Bishops Bridge57570

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where perch were found

Each point marks a survey location with at least one perch record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding perch
Pilford Bridge9 Mar 199319 Mar 20143
R. Rase at Middle Rasen4 Oct 20074 Oct 20071
Upstream Bishops Bridge21 Nov 198916 Jul 20074
Bishops Bridge (Rase)17 Nov 198916 Jul 20075

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1989–2014

Survey records by year

Each bar shows how many survey visits recorded perch that year.

Fish measured by surveyors

Measured length distribution

See how the 69 measured fish were spread across different length ranges.

Smallest
4.8 cm
Lower quarter
8.8 cm
Median
11.1 cm
Upper quarter
15.3 cm
Largest
28.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Market Rasen Reach

Compare other species with enough survey and measurement data for a detailed page.

Stone loach 3-spined stickleback Dace Gudgeon European eel Pike

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →