River Medway
26 fish species have been recorded at 25 locations along the River Medway.
Records updated10 August 2026Most recent survey: 2026
- Fish species
- 26
- Places surveyed
- 25
- Survey visits
- 309
- Records span
- 2001–2026
Local EA evidence
Where fish were recorded
25 of 25 places shown
Choose a point on the map to see what was recorded there.
Check local permissions before fishing.
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 | 2026 | 4,422 | Median: 13.5 cm4,170 fish measuredLargest measured chub: 63.3 cm | Median: 9.6 oz (0.271 kg)175 fish weighedLargest measured: 5 lb 8.2 oz (2.5 kg) |
| GudgeonGobio gobio | 22 | 2026 | 5,462 | Median: 8.3 cm4,541 fish measuredLargest measured gudgeon: 18.9 cm | Median: 0.6 oz (0.018 kg)83 fish weighedLargest measured: 1.4 oz (0.041 kg) |
| RoachRutilus rutilus | 21 | 2026 | 19,146 | Median: 8 cm14,443 fish measuredLargest measured roach: 33.3 cm | Median: 2 oz (0.057 kg)179 fish weighedLargest measured: 12.1 oz (0.344 kg) |
| PerchPerca fluviatilis | 18 | 2026 | 3,887 | Median: 9 cm3,445 fish measuredLargest measured perch: 40.8 cm | Median: 1.2 oz (0.035 kg)63 fish weighedLargest measured: 1 lb 9.3 oz (0.717 kg) |
| BleakAlburnus alburnus | 17 | 2026 | 4,999 | Median: 7.1 cm4,444 fish measuredLargest measured bleak: 19.2 cm | Median: 0.4 oz (0.01 kg)95 fish weighedLargest measured: 1.3 oz (0.037 kg) |
| DaceLeuciscus leuciscus | 17 | 2025 | 1,619 | Median: 8.3 cm1,616 fish measuredLargest measured dace: 28.5 cm | Median: 1.6 oz (0.044 kg)43 fish weighedLargest measured: 7.3 oz (0.208 kg) |
| MinnowPhoxinus phoxinus | 17 | 2026 | 2,804 | Median: 5.4 cm2,355 fish measuredLargest measured minnow: 10 cm | Median: 0.1 oz (0.004 kg)56 fish weighedLargest measured: 0.3 oz (0.009 kg) |
| Stone loachBarbatula barbatula | 14 | 2025 | 453 | Median: 8 cm434 fish measuredLargest measured stone loach: 14.5 cm | Median: 0.4 oz (0.01 kg)11 fish weighedLargest measured: 0.5 oz (0.015 kg) |
| PikeEsox lucius | 13 | 2026 | 478 | Median: 37.2 cm477 fish measuredLargest measured pike: 110 cm | Median: 2 lb 14.2 oz (1.31 kg)17 fish weighedLargest measured: 6 lb 6.2 oz (2.9 kg) |
| BullheadCottus gobio | 13 | 2025 | 914 | Median: 6.5 cm877 fish measuredLargest measured bullhead: 12.7 cm | Median: 0.4 oz (0.01 kg)25 fish weighedLargest measured: 2.5 oz (0.072 kg) |
| Common breamAbramis brama | 11 | 2026 | 713 | Median: 12.5 cm711 fish measuredLargest measured common bream: 52.2 cm | Median: 2 lb 5.9 oz (1.08 kg)23 fish weighedLargest measured: 5 lb 1.1 oz (2.3 kg) |
| European eelAnguilla anguilla | 10 | 2026 | 74 | Median: 37.5 cm72 fish measuredLargest measured european eel: 91 cm | — |
| Brown / sea troutSalmo trutta | 9 | 2025 | 494 | Median: 19.2 cm494 fish measuredLargest measured brown / sea trout: 43.5 cm | Median: 4.9 oz (0.14 kg)46 fish weighedLargest measured: 1 lb 3.5 oz (0.554 kg) |
| RuffeGymnocephalus cernuus | 9 | 2026 | 159 | Median: 6.2 cm151 fish measuredLargest measured ruffe: 14.2 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 9 | 2025 | 55 | Median: 3 cm54 fish measuredLargest measured 3-spined stickleback: 10.7 cm | — |
| Silver breamAbramis bjoerkna | 7 | 2026 | 40 | Median: 13.5 cm40 fish measuredLargest measured silver bream: 33.2 cm | — |
| TenchTinca tinca | 7 | 2026 | 21 | Median: 23.9 cm21 fish measuredLargest measured tench: 48.5 cm | — |
| Common carpCyprinus carpio | 7 | 2026 | 14 | Median: 53.5 cm14 fish measuredLargest measured common carp: 75 cm | — |
| Brook lampreyLampetra planeri | 6 | 2025 | 54 | Median: 13.2 cm54 fish measuredLargest measured brook lamprey: 16.2 cm | Median: 0.2 oz (0.005 kg)3 fish weighedLargest measured: 0.2 oz (0.005 kg) |
| RuddScardinius erythrophthalmus | 6 | 2026 | 28 | Median: 10 cm28 fish measuredLargest measured rudd: 18.1 cm | — |
| GraylingThymallus thymallus | 5 | 2025 | 161 | Median: 10.4 cm161 fish measuredLargest measured grayling: 31.8 cm | Median: 5.5 oz (0.1555 kg)4 fish weighedLargest measured: 8 oz (0.227 kg) |
| BarbelBarbus barbus | 4 | 2025 | 560 | Median: 12.4 cm560 fish measuredLargest measured barbel: 75.8 cm | Median: 13.5 oz (0.384 kg)13 fish weighedLargest measured: 15 lb 6.9 oz (7 kg) |
| ZanderSander lucioperca | 2 | 2026 | 11 | Median: 17.8 cm11 fish measuredLargest measured zander: 75 cm | — |
| Rainbow troutOncorhynchus mykiss | 1 | 2019 | 11 | Median: 42.5 cm11 fish measuredLargest measured rainbow trout: 45.7 cm | Median: 2 lb 0.6 oz (0.923 kg)2 fish weighedLargest measured: 2 lb 1.1 oz (0.938 kg) |
| Blue orfeLeuciscus idus | 1 | 2002 | 1 | Recorded length: 16.4 cm1 fish measured | Recorded weight: 2.8 oz (0.08 kg)1 fish weighed |
| Golden goldfishCarassius auratus | 1 | 2002 | 1 | Recorded length: 14.6 cm1 fish measured | Recorded weight: 2.6 oz (0.074 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 Medway. 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 →