Trewalder
4 fish species: Brook lamprey, Brown / sea trout, Bullhead, European eel
Fish records for anglers
Trewalder Stream
Explore 5 fish species recorded at 1 place along the river from 1985 to 2023.
Records updated10 August 2026Most recent survey: 2023
- Fish species
- 5
- Places surveyed
- 1
- Survey visits
- 16
- Records span
- 1985–2023
Explore the river
See where fish were found
1 of 1 places shown
Choose a point on the map to see what was recorded there.
Map points are approximate and don’t show fishing access. Check local permissions before visiting.
Fish in this river
Species recorded
Choose a fish to highlight the places where surveyors found it.
| Fish | Places found | Survey visits | Last recorded |
|---|---|---|---|
| Salmo trutta | 1 | 16 | 18 Jul 2023 |
| Anguilla anguilla | 1 | 14 | 18 Jul 2023 |
| Salmo salar | 1 | 4 | 5 Sept 2001 |
| Lampetra planeri | 1 | 4 | 18 Jul 2023 |
| Cottus gobio | 1 | 1 | 18 Jul 2023 |
These totals show where a species has been recorded, not how many are in the river today.
Latest activity
Recent survey visits
Trewalder
3 fish species: Brook lamprey, Brown / sea trout, European eel
Trewalder
3 fish species: Brook lamprey, Brown / sea trout, European eel
Trewalder
2 fish species: Brook lamprey, Brown / sea trout
About this page
Useful context
This page follows survey locations along the main Trewalder Stream. 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 →