Grass carp · Ctenopharyngodon idella

Grass carp in the Lincolnshire Lakes

Largest measured grass carp: 67.4 cm

The largest grass carp measured in Environment Agency surveys of the Lincolnshire Lakes was 67.4 cm, recorded at Alvingham Fisheries on 5 February 1998.

Across 218 measured grass carp, the median measured length was 37.5 cm.

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

See grass carp records across England →

Most recent observation23 November 2005Wagtail Lodge (Specimen Lake) · 1 fish

Largest measured grass carp: 67.4 cm
Median length: 37.5 cm
Fish measured: 218
Survey locations: 11

Individual EA measurements

Largest measured grass carp

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
67.4 cm	5 Feb 1998	Alvingham Fisheries	69485
62 cm	12 Dec 2002	Bullrushes Tetney	73298
54.2 cm	11 Jan 1990	Poplar Farm Reservoir	69443
52.3 cm	23 Nov 2005	Wagtail Lodge (Specimen Lake)	87982
52.2 cm	11 Jan 1990	Poplar Farm Reservoir	69443
51.2 cm	11 Jan 1990	Poplar Farm Reservoir	69443
50.9 cm	11 Jan 1990	Poplar Farm Reservoir	69443
50.8 cm	11 Jan 1990	Poplar Farm Reservoir	69443
50.6 cm	11 Jan 1990	Poplar Farm Reservoir	69443
50.3 cm	11 Jan 1990	Poplar Farm Reservoir	69443

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

Explore the river

Where grass carp were found

Each point marks a survey location with at least one grass carp 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 grass carp
Wagtail Lodge (Specimen Lake)	23 Nov 2005	23 Nov 2005	1
Wagtail Lodge (Island Lake)	2 Nov 2004	2 Nov 2004	1
Bullrushes Tetney	12 Dec 2002	12 Dec 2002	1
Ivy Lodge Fishery Hogsthorpe	27 Jan 1999	27 Jan 1999	1
Alvingham Fisheries	5 Feb 1998	5 Feb 1998	1
North Thoresby Lake Site 4 (Northray A.C.)	20 Mar 1990	20 Mar 1990	1
Poplar Farm Reservoir	15 Oct 1986	11 Jan 1990	2
Goxhill Lake (Birdseye A.C.)	15 Nov 1988	15 Nov 1988	1
North Thoresby Lake Site 1 (Northray A.C.)	7 Sept 1988	7 Sept 1988	1
Bainside Nurseries	6 Jan 1988	6 Jan 1988	1
Manor Fishing Lake	24 Sept 1986	24 Sept 1986	1

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

1986–2005

Survey records by year

Each bar shows how many survey visits recorded grass carp that year.

286

087

388

089

290

091

092

093

094

095

096

097

198

199

000

001

102

003

104

105

Fish measured by surveyors

Measured length distribution

See how the 218 measured fish were spread across different length ranges.

Smallest: 27 cm
Lower quarter: 35.2 cm
Median: 37.5 cm
Upper quarter: 46 cm
Largest: 67.4 cm

200–299 mm

300–399 mm

135

400–499 mm

500–599 mm

600–699 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Lincolnshire Lakes

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

Roach Perch Rudd Common carp Common bream 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 →