Topmouth gudgeon · Pseudorasbora parva

Topmouth gudgeon in the Tadburn Lake

Largest measured topmouth gudgeon: 6.1 cm

The largest topmouth gudgeon measured in Environment Agency surveys of the Tadburn Lake was 6.1 cm, recorded at Crampmoor Ford on 19 September 2023.

Across 3 measured topmouth gudgeon, the median measured length was 5.4 cm.

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

See topmouth gudgeon records across England →

Most recent observation19 September 2023Crampmoor Ford · 3 fish

Largest measured topmouth gudgeon: 6.1 cm
Median length: 5.4 cm
Fish measured: 3
Survey locations: 3

Individual EA measurements

Largest measured topmouth gudgeon

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

Length	Survey date	Survey location	Survey ID
6.1 cm	19 Sept 2023	Crampmoor Ford	163440
5.4 cm	19 Sept 2023	Crampmoor Ford	163440
5.1 cm	19 Sept 2023	Crampmoor Ford	163440

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

Explore the river

Where topmouth gudgeon were found

Each point marks a survey location with at least one topmouth gudgeon 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 surveyed	First recorded	Last recorded	Visits finding topmouth gudgeon
Crampmoor Ford	19 Sept 2023	19 Sept 2023	1
Ashdown Way	15 Sept 2023	15 Sept 2023	1
d/s Crampmoor fish farm	20 Sept 2001	20 Sept 2001	1

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

2001–2023

Survey records by year

Each bar shows how many survey visits recorded topmouth gudgeon that year.

101

002

003

004

005

006

007

008

009

010

011

012

013

014

015

016

017

018

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 3 measured fish were spread across different length ranges.

Smallest: 5.1 cm
Lower quarter: 5.3 cm
Median: 5.4 cm
Upper quarter: 5.8 cm
Largest: 6.1 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Tadburn Lake

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

Brown / sea trout Bullhead Stone loach 3-spined stickleback European eel Brook lamprey

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 →