Stone loach · Barbatula barbatula

Stone loach in the River Colnebrook

Largest measured stone loach: 8.7 cm

The largest stone loach measured in Environment Agency surveys of the River Colnebrook was 8.7 cm, recorded at Hythe End on 25 July 2003.

This is the only individual stone loach 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 River Colnebrook.

See stone loach records across England →

Most recent observation20 June 2023Thorney Golf Course

Largest measured stone loach: 8.7 cm
Length sample: 1 fish
Survey records: 7
Survey locations: 5

Individual EA measurements

Largest measured stone loach

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
8.7 cm	25 Jul 2003	Hythe End	76528

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

Explore the river

Where stone loach were found

Each point marks a survey location with at least one stone loach 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 stone loach
Thorney Golf Course	8 Jun 2010	20 Jun 2023	2
Wraysbury	6 Jun 2023	6 Jun 2023	1
Horton Upstream Site	24 Apr 2010	24 Apr 2010	1
Horton Upstream Backloop	24 Apr 2010	24 Apr 2010	1
Hythe End	25 Jul 2003	12 Jun 2008	2

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

2003–2023

Survey records by year

Each bar shows how many survey visits recorded stone loach that year.

103

004

005

006

007

108

009

310

011

012

013

014

015

016

017

018

019

020

021

022

223

Fish measured by surveyors

Recorded length

One individual length was recorded for this fish and river.

Recorded length: 8.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Colnebrook

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

European eel Perch Roach Chub Pike 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 →