Latest fish
today 18:00
Trout this year
Net means up minus down.
Trout this year, net2,838↑ 4,323 up · ↓ 1,485 down
The latest fish
20 clips
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Highlights
Clips picked by TiVA.
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Fish per day
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Flow (m³/s)Water temperature (°C)
Flow and temperature: SMHI Vattenwebb (S-HYPE), modelled values.
Species this year
13,465 identified fish-
Common minnow ↑ 4,371 · ↓ 1,876 · 6,247
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Trout ↑ 4,323 · ↓ 1,485 · 5,808
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Roach ↑ 746 · ↓ 213 · 959
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Perch ↑ 117 · ↓ 73 · 190
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Whitefish ↑ 129 · ↓ 16 · 145
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Three-spined stickleback ↑ 27 · ↓ 14 · 41
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Bleak ↑ 26 · ↓ 11 · 37
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Ide ↑ 8 · ↓ 3 · 11
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Other (5 species) ↑ 13 · ↓ 14 · 27
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About the camera
The underwater camera at Forsnäs films the fish passing by, and an AI model identifies species and direction for each clip.
About the figures
Every fish passing is counted with its direction, up or down. Net is up minus down.
Species and direction are identified by an AI model when the clip arrives, and no person has reviewed the figures yet. Some fish may get the wrong species, and the same fish can pass several times. Reviewed results are confirmed in a report after the season.
“This year” counts from 1 January 2026.
Flow and water temperature are SMHI's modelled values for the river (Vattenwebb, S-HYPE), not measurements at the counter.
Contact
Questions about the fish monitoring: info@tiva.se, tiva.se