Golden goldfish · Carassius auratus

Golden goldfish in the River Mardyke

Largest measured golden goldfish: 35.5 cm

The largest golden goldfish measured in Environment Agency surveys of the River Mardyke was 35.5 cm, recorded at M25-A13 on 15 May 1998.

Across 58 measured golden goldfish, the median measured length was 12.9 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 Mardyke.

See golden goldfish records across England →

Most recent observation4 June 2019North Stifford · 12 fish

Largest measured golden goldfish: 35.5 cm
Median length: 12.9 cm
Fish measured: 58
Survey locations: 5

Individual EA measurements

Largest measured golden goldfish

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
35.5 cm	15 May 1998	M25-A13	14729
35.4 cm	25 Sept 2001	Grangewater	20100
29.3 cm	14 May 2007	North Stifford	105372
28.3 cm	15 May 1998	M25-A13	14729
28.3 cm	3 Apr 1995	M25-A13	14723
24.3 cm	14 May 2007	North Stifford	105372
23.2 cm	17 May 2007	M25-A13	105368
23.1 cm	15 Oct 2001	Circus Tavern	20833
22 cm	14 May 2007	North Stifford	105372
19.8 cm	14 May 2007	North Stifford	105372

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

Explore the river

Where golden goldfish were found

Each point marks a survey location with at least one golden goldfish 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 golden goldfish
North Stifford	13 May 1998	4 Jun 2019	4
Circus Tavern	15 Apr 1986	18 May 2007	3
M25-A13	6 Apr 1992	17 May 2007	4
14 Arches Bridge	16 May 2007	16 May 2007	1
Grangewater	25 Sept 2001	25 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.

1986–2019

Survey records by year

Each bar shows how many survey visits recorded golden goldfish that year.

186

087

088

089

090

091

192

093

094

195

096

097

298

099

000

201

002

003

004

005

006

407

008

009

010

011

012

113

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 58 measured fish were spread across different length ranges.

Smallest: 3.7 cm
Lower quarter: 10.7 cm
Median: 12.9 cm
Upper quarter: 18.6 cm
Largest: 35.5 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Mardyke

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

European eel 3-spined stickleback Roach Rudd Tench Common carp

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 →