River DS Lt Ouse
25 fish species have been recorded at 11 locations along the River DS Lt Ouse.
- Fish species
- 25
- Places surveyed
- 11
- Survey visits
- 45
- Records span
- 1989–2024
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 |
|---|---|---|---|---|---|
| PikeEsox lucius | 11 | 2024 | 335 | Median: 41.3 cm318 fish measuredLargest measured pike: 95.3 cm | — |
| RoachRutilus rutilus | 11 | 2024 | 32,813 | Median: 9.8 cm14,554 fish measuredLargest measured roach: 33.3 cm | — |
| PerchPerca fluviatilis | 11 | 2024 | 1,766 | Median: 8.3 cm1,204 fish measuredLargest measured perch: 38.8 cm | — |
| RuffeGymnocephalus cernuus | 10 | 2012 | 624 | Median: 7.8 cm455 fish measuredLargest measured ruffe: 15.3 cm | — |
| European eelAnguilla anguilla | 10 | 2012 | 448 | Median: 46.3 cm9 fish measuredLargest measured european eel: 61.7 cm | Median: 5.6 oz (0.16 kg)9 fish weighedLargest measured: 1 lb 4.5 oz (0.58 kg) |
| Silver breamAbramis bjoerkna | 10 | 2012 | 705 | Median: 7.3 cm396 fish measuredLargest measured silver bream: 27.8 cm | — |
| DaceLeuciscus leuciscus | 9 | 2024 | 1,763 | Median: 11.3 cm1,091 fish measuredLargest measured dace: 25.8 cm | — |
| GudgeonGobio gobio | 8 | 2024 | 862 | Median: 9.3 cm493 fish measuredLargest measured gudgeon: 13.8 cm | — |
| Common breamAbramis brama | 8 | 2024 | 570 | Median: 8.2 cm544 fish measuredLargest measured common bream: 52.8 cm | — |
| TenchTinca tinca | 8 | 2012 | 31 | Median: 17.8 cm30 fish measuredLargest measured tench: 51.8 cm | — |
| RuddScardinius erythrophthalmus | 6 | 2024 | 118 | Median: 10.7 cm111 fish measuredLargest measured rudd: 15.6 cm | — |
| BleakAlburnus alburnus | 5 | 2024 | 163 | Median: 11.3 cm121 fish measuredLargest measured bleak: 15.3 cm | — |
| BullheadCottus gobio | 4 | 2024 | 20 | Median: 7.3 cm20 fish measuredLargest measured bullhead: 8.8 cm | — |
| BitterlingRhodeus sericeus | 3 | 2024 | 88 | Median: 6.2 cm76 fish measuredLargest measured bitterling: 7.7 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 3 | 2024 | 19 | Median: 4.2 cm19 fish measuredLargest measured 3-spined stickleback: 5.2 cm | — |
| ZanderSander lucioperca | 3 | 1990 | 5 | Median: 20.8 cm5 fish measuredLargest measured zander: 21.3 cm | — |
| ChubLeuciscus cephalus | 2 | 2012 | 76 | Median: 18.3 cm64 fish measuredLargest measured chub: 48.8 cm | — |
| MinnowPhoxinus phoxinus | 2 | 2012 | 8 | Median: 5.3 cm8 fish measuredLargest measured minnow: 6.3 cm | — |
| Spined loachCobitis taenia | 2 | 2012 | 4 | Median: 6.5 cm4 fish measuredLargest measured spined loach: 7.3 cm | — |
| Stone loachBarbatula barbatula | 2 | 2012 | 2 | Median: 7.2 cm2 fish measuredLargest measured stone loach: 9.1 cm | — |
| Brook lampreyLampetra planeri | 1 | 2012 | 3 | Median: 13.2 cm3 fish measuredLargest measured brook lamprey: 13.7 cm | Median: 0.2 oz (0.006 kg)3 fish weighedLargest measured: 0.3 oz (0.008 kg) |
| Common carpCyprinus carpio | 1 | 1993 | 5 | Median: 60.3 cm5 fish measuredLargest measured common carp: 64.8 cm | — |
| Sea lampreyPetromyzon marinus | 1 | 1993 | 3 | — | — |
| Brown / sea troutSalmo trutta | 1 | 2000 | 1 | Recorded length: 16.8 cm1 fish measured | — |
| GraylingThymallus thymallus | 1 | 1993 | 1 | Recorded length: 26.8 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 DS Lt Ouse. 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 →