Grantham Canal
10 fish species have been recorded at 5 locations along the Grantham Canal.
- Fish species
- 10
- Places surveyed
- 5
- Survey visits
- 15
- Records span
- 1985–1997
Local EA evidence
Where fish were recorded
Choose a point on the map to see what was recorded there.
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River conditions
Environment Agency evidence
Fish found in this river
Open a linked fish for detailed measurements, or use the map filter above to compare survey locations.
| Fish | Sites | Most recent | Fish counted | Measured length | Measured weight |
|---|---|---|---|---|---|
| PikeEsox lucius | 5 | 1997 | 140 | Median: 34 cm140 fish measuredLargest measured pike: 86 cm | — |
| PerchPerca fluviatilis | 5 | 1997 | 1,016 | Median: 7.4 cm956 fish measuredLargest measured perch: 21 cm | — |
| RoachRutilus rutilus | 5 | 1997 | 21,875 | Median: 9.3 cm9,749 fish measuredLargest measured roach: 31.7 cm | — |
| TenchTinca tinca | 5 | 1997 | 236 | Median: 35.4 cm236 fish measuredLargest measured tench: 47 cm | — |
| Common breamAbramis brama | 4 | 1997 | 1,487 | Median: 10.1 cm921 fish measuredLargest measured common bream: 48.2 cm | — |
| RuddScardinius erythrophthalmus | 3 | 1997 | 424 | Median: 7.7 cm424 fish measuredLargest measured rudd: 16.7 cm | — |
| Silver breamAbramis bjoerkna | 2 | 1985 | 17 | Median: 9.8 cm17 fish measuredLargest measured silver bream: 17.2 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 1 | 1985 | 4 | Median: 6.7 cm4 fish measuredLargest measured 3-spined stickleback: 7.1 cm | — |
| European eelAnguilla anguilla | 1 | 1985 | 66 | — | — |
| RuffeGymnocephalus cernuus | 1 | 1985 | 34 | Median: 8 cm34 fish measuredLargest measured ruffe: 12.1 cm | — |
EA surveys have recorded these fish at particular sites and times. Absence from a survey is not evidence that a species is absent from the river. Every valid individual length and weight is retained, with its sample size shown.
Useful context
This page follows survey locations along the main Grantham Canal. Tributaries and unrelated rivers with similar names are kept separate.
The map shows past fish records, not fishing access or a promise of what you’ll catch today.
How RiverFish handles the data →