Tench · Tinca tinca

Tench in the River Brett (Main Reaches)

Largest measured tench: 42.9 cm

The largest tench measured in Environment Agency surveys of the River Brett (Main Reaches) was 42.9 cm, recorded at Chelsworth on 6 April 2000.

Across 28 measured tench, the median measured length was 15.3 cm.

Surveyors recorded one individual weight: 7.2 oz (0.203 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Brett (Main Reaches).

See tench records across England →

Most recent observation7 April 2026Higham FGS · 4 fish

Largest measured tench: 42.9 cm
Median length: 15.3 cm
Fish measured: 28
Survey locations: 7

Individual EA measurements

Largest measured tench

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
42.9 cm	6 Apr 2000	Chelsworth	15492
36 cm	29 Apr 1997	Chelsworth	13771
28.5 cm	10 Mar 1988	Hadleigh STW	13729
26 cm	24 Mar 2000	Hadleigh STW	15486
25.8 cm	3 May 2024	Higham FGS	165726
24.6 cm	13 Apr 2018	Cosford Bridge	152537
23.3 cm	28 Mar 2000	Hadleigh Town	15487
21.9 cm	11 Jan 1985	Waterhouse Farm	13718
21.3 cm	5 Apr 2006	Downstream Mill Farm	90602
21.2 cm	21 Apr 1994	Higham FGS	13749

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

Explore the river

Where tench were found

Each point marks a survey location with at least one tench 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 tench
Higham FGS	21 Apr 1994	7 Apr 2026	7
Cosford Bridge	25 Mar 1994	13 Apr 2018	2
Waterhouse Farm	11 Jan 1985	24 Apr 2012	2
Downstream Mill Farm	5 Apr 2006	5 Apr 2006	1
Chelsworth	29 Apr 1997	6 Apr 2000	2
Hadleigh Town	28 Mar 2000	28 Mar 2000	1
Hadleigh STW	10 Mar 1988	24 Mar 2000	2

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

1985–2026

Survey records by year

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

185

086

087

188

089

090

091

092

093

294

095

096

297

098

099

300

001

002

003

004

005

106

007

008

009

010

011

212

013

014

015

116

017

218

019

020

021

022

023

124

025

126

Fish measured by surveyors

Measured length distribution

See how the 28 measured fish were spread across different length ranges.

Smallest: 5 cm
Lower quarter: 11 cm
Median: 15.4 cm
Upper quarter: 22.3 cm
Largest: 42.9 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight: 7.2 oz (0.203 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Brett (Main Reaches)

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

European eel Pike Roach Gudgeon Dace Perch

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 →