3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Eagley Brook

Largest measured 3-spined stickleback: 6.8 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Eagley Brook was 6.8 cm, recorded at Ea01 on 28 September 2004.

This is the only individual 3-spined stickleback length in the dataset for this river.

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

See 3-spined stickleback records across England →

Most recent observation24 September 2025Ea01

Largest measured 3-spined stickleback: 6.8 cm
Length sample: 1 fish
Survey records: 29
Survey locations: 7

Individual EA measurements

Largest measured 3-spined stickleback

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
6.8 cm	28 Sept 2004	Ea01	82571

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

Explore the river

Where 3-spined stickleback were found

Each point marks a survey location with at least one 3-spined stickleback 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 3-spined stickleback
Ea01	21 Jun 1996	24 Sept 2025	9
Ea03	24 Sept 2001	6 Jun 2007	6
Ea01.5	20 Sept 2006	20 Sept 2006	1
Ea04	30 May 2001	31 May 2006	9
Ea02	26 Sept 2001	13 Sept 2002	2
Ea06	30 Oct 1996	30 Oct 1996	1
Ea07	23 Oct 1996	23 Oct 1996	1

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

1996–2025

Survey records by year

Each bar shows how many survey visits recorded 3-spined stickleback that year.

396

097

098

099

000

401

502

303

104

505

506

107

108

009

010

011

012

013

014

015

016

017

018

019

020

021

022

023

024

125

Fish measured by surveyors

Recorded length

One individual length was recorded for this fish and river.

Recorded length: 6.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Eagley Brook

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

Brown / sea trout Chub Minnow Gudgeon

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 →