RiverFish

Spined loach · Cobitis taenia

Spined loach in the River Upper Ouse

Largest measured spined loach: 9.5 cm

The largest spined loach measured in Environment Agency surveys of the River Upper Ouse was 9.5 cm, recorded at Passenham on 19 May 2006.

Across 67 measured spined loach, the median measured length was 7 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 Upper Ouse.

See spined loach records across England →

Most recent observation8 October 2019Stony Stratford Bypass Channel · 1 fish
Largest measured spined loach
9.5 cm
Median length
7 cm
Fish measured
67
Survey locations
18

Individual EA measurements

Largest measured spined loach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
9.5 cm19 May 2006Passenham90769
9.2 cm2 Aug 2013Passenham137668
9 cm14 Aug 2013Thornborough Mill137864
8.7 cm29 Aug 2017Clifton Reynes151532
8.7 cm20 Aug 2013DS Wolverton Mill138049
8.5 cm8 Oct 2019Stony Stratford Bypass Channel155693
8.4 cm20 Aug 2013DS Wolverton Mill138049
8.4 cm20 Aug 2013DS Wolverton Mill138049
8.3 cm10 Aug 2011Newport Pagnell127338
8.3 cm23 Oct 1997Sherrington28938

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

Explore the river

Where spined loach were found

Each point marks a survey location with at least one spined 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 surveyedFirst recordedLast recordedVisits finding spined loach
Stony Stratford Bypass Channel30 Jun 20168 Oct 20193
Passenham2 Jul 200213 Aug 20198
Thornborough Mill7 May 20099 Oct 20184
Oakley25 Sept 200717 Oct 20174
Newport Pagnell25 Oct 19914 Sept 20175
Clifton Reynes27 Jul 201029 Aug 20173
DS Wolverton Mill20 Aug 201324 Oct 20162
DS Ravenstone Mill8 Sept 20148 Sept 20141
Mill Farm23 Apr 199713 Aug 20133
Pavenham17 Aug 201017 Aug 20101
Mount Mill Farm1 May 20091 May 20091
Mill Farm Gayhurst11 Apr 200511 Apr 20051
Wolverton Mill1 Jul 20021 Jul 20021
Clapham27 Oct 199727 Oct 19971
Sherrington23 Oct 199723 Oct 19971
Old Mill House Buckingham14 Apr 199714 Apr 19971
Kempston Mill6 Mar 19926 Mar 19921
Biddenham29 Nov 198829 Nov 19881

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

1988–2019

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 67 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
6 cm
Median
7 cm
Upper quarter
7.7 cm
Largest
9.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Upper Ouse

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

Pike Perch Dace Roach Chub 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 →