River Blyth (Main Reaches)
11 fish species have been recorded at 6 locations along the River Blyth (Main Reaches).
- Fish species
- 11
- Places surveyed
- 6
- Survey visits
- 23
- Records span
- 1987–2016
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 | 6 | 2016 | 1,026 | Median: 30.2 cm126 fish measuredLargest measured european eel: 66.5 cm | Median: 2.6 oz (0.073 kg)72 fish weighedLargest measured: 1 lb 9.4 oz (0.72 kg) |
| Stone loachBarbatula barbatula | 6 | 2016 | 583 | Median: 7 cm573 fish measuredLargest measured stone loach: 12.5 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 6 | 2016 | 98 | Median: 4.2 cm98 fish measuredLargest measured 3-spined stickleback: 6.2 cm | — |
| DaceLeuciscus leuciscus | 5 | 2016 | 728 | Median: 14.1 cm728 fish measuredLargest measured dace: 25.4 cm | — |
| RoachRutilus rutilus | 5 | 2010 | 216 | Median: 14.3 cm216 fish measuredLargest measured roach: 22.1 cm | — |
| 10-spined sticklebackPungitius pungitius | 3 | 2016 | 4 | Median: 4.7 cm4 fish measuredLargest measured 10-spined stickleback: 5.3 cm | — |
| RuddScardinius erythrophthalmus | 2 | 2016 | 13 | Median: 9.4 cm13 fish measuredLargest measured rudd: 17.6 cm | — |
| FlounderPlatichthys flesus | 2 | 2001 | 20 | Median: 15.2 cm20 fish measuredLargest measured flounder: 28.2 cm | Median: 1.3 oz (0.038 kg)2 fish weighedLargest measured: 2.3 oz (0.066 kg) |
| PikeEsox lucius | 2 | 2016 | 13 | Median: 26 cm13 fish measuredLargest measured pike: 58.5 cm | — |
| GudgeonGobio gobio | 2 | 2010 | 10 | Median: 11.7 cm10 fish measuredLargest measured gudgeon: 13.5 cm | — |
| Golden goldfishCarassius auratus | 1 | 1995 | 2 | Median: 12.1 cm2 fish measuredLargest measured golden goldfish: 12.4 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 Blyth (Main Reaches). 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 →