RiverFish

Dace · Leuciscus leuciscus

Dace in the River Penton Hook - Chertsey

Largest measured dace: 22.6 cm

The largest dace measured in Environment Agency surveys of the River Penton Hook - Chertsey was 22.6 cm, recorded at Penton Hook to Chertsey (Laleham Main) on 17 September 2002.

Across 712 measured dace, the median measured length was 10.7 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 Penton Hook - Chertsey.

See dace records across England →

Most recent observation30 July 2025Penton Hook to Chertsey (Laleham Main) · 7 fish
Largest measured dace
22.6 cm
Median length
10.7 cm
Fish measured
712
Survey locations
3

Individual EA measurements

Largest measured dace

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

LengthSurvey dateSurvey locationSurvey ID
22.6 cm17 Sept 2002Penton Hook to Chertsey (Laleham Main)72121
22.5 cm1 Sept 2000Penton Hook to Chertsey (Laleham Main)121590
22.5 cm1 Sept 2000Penton Hook to Chertsey (Laleham Main)121590
22.3 cm21 Jul 2024Penton Hook, Weir Stream and Pool165912
21.5 cm8 Sept 2005Penton Hook Loop Upstream of Laleham Intake86915
21.5 cm1 Sept 2000Penton Hook to Chertsey (Laleham Main)121590
21.4 cm21 Jul 2024Penton Hook, Weir Stream and Pool165912
21.3 cm8 Sept 2005Penton Hook, Weir Stream and Pool86163
21 cm3 Aug 2022Penton Hook to Chertsey (Laleham Main)161347
21 cm6 Sept 2013Penton Hook, Weir Stream and Pool138870

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

Explore the river

Where dace were found

Each point marks a survey location with at least one dace 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 dace
Penton Hook, Weir Stream and Pool1 Sept 199530 Jul 202522
Penton Hook to Chertsey (Laleham Main)1 Sept 199530 Jul 202524
Penton Hook Loop Upstream of Laleham Intake8 Sept 200510 Sept 20073

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

1995–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 712 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
7 cm
Median
10.7 cm
Upper quarter
12.4 cm
Largest
22.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Penton Hook - Chertsey

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

Roach Chub European eel Gudgeon Bleak 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 →