River Tees
23 fish species have been recorded at 126 locations along the River Tees.
- Fish species
- 23
- Places surveyed
- 126
- Survey visits
- 691
- Records span
- 1993–2025
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 |
|---|---|---|---|---|---|
| Brown / sea troutSalmo trutta | 99 | 2025 | 17,121 | Median: 12.1 cm17,086 fish measuredLargest measured brown / sea trout: 68.9 cm | Median: 0.9 oz (0.026 kg)300 fish weighedLargest measured: 9.4 oz (0.2655 kg) |
| BullheadCottus gobio | 94 | 2025 | 13,906 | Median: 5.8 cm116 fish measuredLargest measured bullhead: 9.3 cm | — |
| MinnowPhoxinus phoxinus | 83 | 2025 | 17,614 | Median: 3.1 cm2,228 fish measuredLargest measured minnow: 8.9 cm | — |
| Stone loachBarbatula barbatula | 79 | 2025 | 3,864 | Median: 7.6 cm68 fish measuredLargest measured stone loach: 11.8 cm | — |
| European eelAnguilla anguilla | 58 | 2025 | 424 | Median: 33.2 cm401 fish measuredLargest measured european eel: 70.5 cm | — |
| Atlantic salmonSalmo salar | 53 | 2025 | 10,548 | Median: 9.3 cm10,548 fish measuredLargest measured atlantic salmon: 96.8 cm | Median: 0.3 oz (0.0078 kg)8 fish weighedLargest measured: 1.3 oz (0.0365 kg) |
| DaceLeuciscus leuciscus | 48 | 2025 | 11,658 | Median: 9.5 cm10,910 fish measuredLargest measured dace: 26.2 cm | — |
| GraylingThymallus thymallus | 43 | 2025 | 2,639 | Median: 14.3 cm2,639 fish measuredLargest measured grayling: 39.5 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 42 | 2025 | 1,076 | Median: 4.4 cm178 fish measuredLargest measured 3-spined stickleback: 5.4 cm | — |
| ChubLeuciscus cephalus | 39 | 2025 | 6,530 | Median: 9.4 cm5,568 fish measuredLargest measured chub: 53.7 cm | — |
| GudgeonGobio gobio | 34 | 2025 | 3,539 | Median: 8.9 cm3,198 fish measuredLargest measured gudgeon: 16.1 cm | — |
| RoachRutilus rutilus | 27 | 2025 | 13,369 | Median: 8.2 cm10,065 fish measuredLargest measured roach: 54.4 cm | — |
| PerchPerca fluviatilis | 21 | 2025 | 2,314 | Median: 11.1 cm2,314 fish measuredLargest measured perch: 40.6 cm | — |
| Brook lampreyLampetra planeri | 20 | 2023 | 190 | Median: 13.5 cm170 fish measuredLargest measured brook lamprey: 19.6 cm | — |
| BarbelBarbus barbus | 17 | 2025 | 724 | Median: 10.2 cm709 fish measuredLargest measured barbel: 63.5 cm | Median: 4 lb 6.5 oz (2 kg)3 fish weighedLargest measured: 8 lb 13.1 oz (4 kg) |
| PikeEsox lucius | 12 | 2025 | 739 | Median: 23.7 cm739 fish measuredLargest measured pike: 87.5 cm | — |
| Common breamAbramis brama | 8 | 2015 | 88 | Median: 8.8 cm88 fish measuredLargest measured common bream: 28.3 cm | — |
| RuddScardinius erythrophthalmus | 6 | 2006 | 6 | Median: 10.4 cm6 fish measuredLargest measured rudd: 17.8 cm | — |
| Rainbow troutOncorhynchus mykiss | 4 | 1999 | 9 | Median: 11.1 cm9 fish measuredLargest measured rainbow trout: 35.4 cm | — |
| TenchTinca tinca | 3 | 2007 | 3 | Median: 30.1 cm3 fish measuredLargest measured tench: 30.1 cm | — |
| FlounderPlatichthys flesus | 2 | 2002 | 2 | Median: 18.8 cm2 fish measuredLargest measured flounder: 22.1 cm | — |
| River lampreyLampetra fluviatilis | 1 | 2023 | 26 | Median: 14 cm26 fish measuredLargest measured river lamprey: 32.5 cm | — |
| Common carpCyprinus carpio | 1 | 2001 | 1 | Recorded length: 63.8 cm1 fish measured | Recorded weight: 24 lb 9.7 oz (11.16 kg)1 fish weighed |
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 Tees. 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 →