Stone loach · Barbatula barbatula

Stone loach in the Bow Lake

Largest measured stone loach: 6.8 cm

The largest stone loach measured in Environment Agency surveys of the Bow Lake was 6.8 cm, recorded at Bow lake fish farm on 26 October 2009.

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 Bow Lake.

See stone loach records across England →

Most recent observation27 June 2025Leyland's Farm · 69 fish

Largest measured stone loach: 6.8 cm
Length sample: 1 fish
Survey records: 6
Survey locations: 4

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
6.8 cm	26 Oct 2009	Bow lake fish farm	119794

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
Leyland's Farm	1 Sept 2011	27 Jun 2025	2
Bow Lake Fish Farm Upper	27 Jun 2025	27 Jun 2025	1
Upstream of Leylands Farm	31 Jul 2014	31 Jul 2014	1
Bow lake fish farm	26 Oct 2009	31 Jul 2014	2

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

2009–2025

Survey records by year

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

109

010

111

012

013

214

015

016

017

018

019

020

021

022

023

024

225

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 Bow Lake

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

3-spined stickleback Gudgeon European eel Roach Tench

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 →