River Main Ottery
11 fish species have been recorded at 17 locations along the River Main Ottery.
- Fish species
- 11
- Places surveyed
- 17
- Survey visits
- 101
- Records span
- 1984–2026
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 |
|---|---|---|---|---|---|
| Atlantic salmonSalmo salar | 17 | 2026 | 10,652 | Median: 6 cm2,400 fish measuredLargest measured atlantic salmon: 16.2 cm | — |
| Brown / sea troutSalmo trutta | 17 | 2026 | 2,880 | Median: 14 cm1,276 fish measuredLargest measured brown / sea trout: 33.6 cm | — |
| BullheadCottus gobio | 16 | 2026 | 4,772 | Median: 4.6 cm2,574 fish measuredLargest measured bullhead: 9.8 cm | — |
| Stone loachBarbatula barbatula | 15 | 2026 | 802 | Median: 7.5 cm728 fish measuredLargest measured stone loach: 10.9 cm | — |
| MinnowPhoxinus phoxinus | 15 | 2026 | 1,150 | Median: 4.7 cm811 fish measuredLargest measured minnow: 9.4 cm | — |
| European eelAnguilla anguilla | 12 | 2015 | 13 | Median: 47 cm13 fish measuredLargest measured european eel: 64.5 cm | — |
| Brook lampreyLampetra planeri | 9 | 2026 | 134 | Median: 11 cm134 fish measuredLargest measured brook lamprey: 16.2 cm | — |
| GraylingThymallus thymallus | 9 | 2026 | 29 | Median: 8.7 cm29 fish measuredLargest measured grayling: 23.8 cm | — |
| DaceLeuciscus leuciscus | 4 | 2010 | 2 | Median: 5.1 cm2 fish measuredLargest measured dace: 6.8 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 3 | 2013 | 37 | Median: 2.6 cm37 fish measuredLargest measured 3-spined stickleback: 4.9 cm | — |
| RuddScardinius erythrophthalmus | 1 | 2004 | — | — | — |
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 River Main Ottery. 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 →