River Thame
21 fish species have been recorded at 22 locations along the River Thame.
- Fish species
- 21
- Places surveyed
- 22
- Survey visits
- 146
- Records span
- 2002–2025
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 |
|---|---|---|---|---|---|
| ChubLeuciscus cephalus | 22 | 2025 | 3,394 | Median: 18.3 cm3,394 fish measuredLargest measured chub: 55 cm | Recorded weight: 5 lb 8 oz (2.49 kg)1 fish weighed |
| RoachRutilus rutilus | 22 | 2025 | 7,101 | Median: 9.5 cm7,101 fish measuredLargest measured roach: 30.2 cm | — |
| GudgeonGobio gobio | 21 | 2025 | 5,116 | Median: 8.6 cm5,116 fish measuredLargest measured gudgeon: 18.5 cm | — |
| DaceLeuciscus leuciscus | 20 | 2025 | 3,582 | Median: 10.5 cm3,582 fish measuredLargest measured dace: 23.1 cm | — |
| PerchPerca fluviatilis | 20 | 2025 | 882 | Median: 14.9 cm882 fish measuredLargest measured perch: 40.6 cm | Recorded weight: 2 lb 8 oz (1.13 kg)1 fish weighed |
| PikeEsox lucius | 19 | 2025 | 827 | Median: 35.7 cm827 fish measuredLargest measured pike: 97 cm | — |
| BleakAlburnus alburnus | 19 | 2025 | 2,205 | Median: 8.2 cm2,205 fish measuredLargest measured bleak: 15.5 cm | — |
| BullheadCottus gobio | 17 | 2025 | 31 | Median: 6.3 cm31 fish measuredLargest measured bullhead: 8.2 cm | — |
| MinnowPhoxinus phoxinus | 17 | 2025 | 22 | Median: 5.9 cm22 fish measuredLargest measured minnow: 8.2 cm | — |
| Stone loachBarbatula barbatula | 15 | 2025 | 5 | Median: 11.1 cm5 fish measuredLargest measured stone loach: 11.8 cm | — |
| Common breamAbramis brama | 11 | 2025 | 78 | Median: 23.6 cm78 fish measuredLargest measured common bream: 49.7 cm | — |
| BarbelBarbus barbus | 8 | 2025 | 126 | Median: 13.8 cm126 fish measuredLargest measured barbel: 72.5 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 5 | 2025 | — | — | — |
| TenchTinca tinca | 5 | 2010 | 9 | Median: 30.5 cm9 fish measuredLargest measured tench: 39 cm | — |
| RuffeGymnocephalus cernuus | 4 | 2010 | 20 | Median: 9 cm20 fish measuredLargest measured ruffe: 12.7 cm | — |
| Brown / sea troutSalmo trutta | 4 | 2025 | 9 | Median: 24.7 cm9 fish measuredLargest measured brown / sea trout: 37.9 cm | — |
| Common carpCyprinus carpio | 2 | 2010 | 4 | Median: 51.3 cm4 fish measuredLargest measured common carp: 58.5 cm | — |
| RuddScardinius erythrophthalmus | 2 | 2009 | 4 | Median: 10.6 cm4 fish measuredLargest measured rudd: 16 cm | — |
| Brook lampreyLampetra planeri | 1 | 2006 | — | — | — |
| 10-spined sticklebackPungitius pungitius | 1 | 2025 | — | — | — |
| European eelAnguilla anguilla | 1 | 2006 | 1 | Recorded length: 95.2 cm1 fish measured | — |
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 Thame. 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 →