Minnow · Phoxinus phoxinus

Minnow in the River Ivel

Largest measured minnow: 11 cm

The largest minnow measured in Environment Agency surveys of the River Ivel was 11 cm, recorded at Henlow on 8 May 2013.

Across 677 measured minnow, the median measured length was 5.8 cm.

Surveyors recorded one individual weight: 0 oz (0.001 kg).

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

See minnow records across England →

Most recent observation8 October 2025Henlow · 15 fish

Largest measured minnow: 11 cm
Median length: 5.8 cm
Fish measured: 677
Survey locations: 11

Individual EA measurements

Largest measured minnow

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
11 cm	8 May 2013	Henlow	135961
9.5 cm	1 May 1995	Astwick	103267
8.9 cm	8 May 2013	Henlow	135961
8.5 cm	8 May 2013	Henlow	135961
8.5 cm	25 May 2005	Sandy	84589
8.4 cm	8 May 2013	Henlow	135961
8.4 cm	15 Apr 2005	Henlow	84380
8.1 cm	9 Apr 2025	DS Iron Bridge	176251
8.1 cm	11 May 2016	Henlow	148033
8 cm	8 Oct 2025	Henlow	179271

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

Explore the river

Where minnow were found

Each point marks a survey location with at least one minnow 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 minnow
Henlow	13 Mar 1989	8 Oct 2025	16
Girtford Weir	3 Aug 1998	30 Apr 2025	13
Biggleswade Common	4 May 1995	29 Apr 2025	14
DS Iron Bridge	3 May 1995	9 Apr 2025	14
Gt Ouse Confluence	16 May 1995	19 May 2016	12
Sandy	25 May 2005	25 May 2005	1
High Romper Bridge	9 Jun 1998	13 May 2005	2
Langford Nursery	2 May 1995	29 Apr 2005	2
Saw Mills Tempsford	22 Aug 2003	22 Aug 2003	1
Beeston	30 Jul 1998	30 Jul 1998	1
Astwick	15 Mar 1989	27 May 1998	4

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

1989–2025

Survey records by year

Each bar shows how many survey visits recorded minnow that year.

289

090

091

192

093

094

695

096

097

898

099

100

001

502

603

504

805

506

507

408

509

510

011

012

513

014

015

516

017

018

019

020

021

022

023

024

425

Fish measured by surveyors

Measured length distribution

See how the 677 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 5.3 cm
Median: 5.8 cm
Upper quarter: 6.3 cm
Largest: 11 cm

0–99 mm

676

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight: 0 oz (0.001 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Ivel

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

Chub Pike Roach Gudgeon Dace Bullhead

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 →