River MainTyne
15 fish species have been recorded at 30 locations along the River MainTyne.
- Fish species
- 15
- Places surveyed
- 30
- Survey visits
- 51
- Records span
- 1995–2025
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 |
|---|---|---|---|---|---|
| European eelAnguilla anguilla | 23 | 2025 | 615 | Median: 17 cm438 fish measuredLargest measured european eel: 50 cm | — |
| Stone loachBarbatula barbatula | 22 | 2025 | 976 | Median: 5 cm68 fish measuredLargest measured stone loach: 10 cm | — |
| Brown / sea troutSalmo trutta | 20 | 2025 | 550 | Median: 8.2 cm517 fish measuredLargest measured brown / sea trout: 50.8 cm | — |
| MinnowPhoxinus phoxinus | 20 | 2025 | 774 | Median: 2.6 cm27 fish measuredLargest measured minnow: 5.8 cm | — |
| Atlantic salmonSalmo salar | 16 | 2025 | 608 | Median: 7.4 cm551 fish measuredLargest measured atlantic salmon: 15.4 cm | — |
| BullheadCottus gobio | 15 | 2025 | 591 | Median: 3.5 cm31 fish measuredLargest measured bullhead: 5.7 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 15 | 2025 | 25 | Median: 3.4 cm4 fish measuredLargest measured 3-spined stickleback: 3.5 cm | — |
| DaceLeuciscus leuciscus | 8 | 2025 | 98 | Median: 4.3 cm93 fish measuredLargest measured dace: 26.2 cm | — |
| ChubLeuciscus cephalus | 8 | 2025 | 117 | Median: 8.8 cm117 fish measuredLargest measured chub: 50.5 cm | — |
| GudgeonGobio gobio | 8 | 2025 | 47 | Median: 9.5 cm47 fish measuredLargest measured gudgeon: 13 cm | Recorded weight: 2.8 oz (0.079 kg)1 fish weighed |
| RoachRutilus rutilus | 3 | 2024 | 340 | Median: 17.4 cm340 fish measuredLargest measured roach: 25 cm | — |
| River lampreyLampetra fluviatilis | 2 | 2010 | 5 | Median: 10.6 cm5 fish measuredLargest measured river lamprey: 11.6 cm | — |
| Brook lampreyLampetra planeri | 1 | 2004 | — | — | — |
| PerchPerca fluviatilis | 1 | 2024 | 1 | Recorded length: 25.3 cm1 fish measured | — |
| RuddScardinius erythrophthalmus | 1 | 2024 | 2 | Median: 8.6 cm2 fish measuredLargest measured rudd: 8.6 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 River MainTyne. 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 →