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Stora Mörtsjön

acidified brown forest lake · 62°N
Real lakereal shoreline10 species on recordsources & method →
clarity 1.1 mmax depth 4 mpH 5.4oligotrophic · humicstatus poorforest track · 22 min for the last stretch
Fish Stora Mörtsjön Buy forecast

Character of the water

Stora Mörtsjön lies in central Sweden — a acidified brown forest lake. The tea-stained, humic water hides the bottom within an arm's length. Acidification has thinned life down to the hardiest few.

The surroundings

The lake lies half-remote, a fair way from the nearest road, tucked into woodland.

Moderately deep (4 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

Fishing permit required — Stora Mörtsjön FVOF. Day permit ~140 kr · annual permit ~700 kr.

  • Pike: keep at most one over 75 cm per day.
  • Trout & Arctic char: protected during the autumn spawn · catch-and-release on certain stretches.
  • Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Stora Mörtsjön

perch predatory fish
typically ~22 cm · can reach 45 cm
Perch grazes the rich water in schools — where there's one, there are more.
elritsa fish
typically ~7 cm · can reach 12 cm
The nutrient-rich water keeps elritsa moving constantly between the feeding grounds.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the murky light, pike shadows the baitfish and hits in short rushes.
grayling fish
typically ~30 cm · can reach 50 cm
Grayling grazes the rich water in schools — where there's one, there are more.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Burbot works the bottom in the dark — smell and feel come before everything else.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach grazes the rich water in schools — where there's one, there are more.
trout salmonids
typically ~35 cm · can reach 70 cm
In the murky light, trout shadows the baitfish and hits in short rushes.
regnbåge fish
typically ~35 cm · can reach 70 cm
Regnbåge hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
Arctic char salmonids
typically ~35 cm · can reach 70 cm
In the murky light, Arctic char shadows the baitfish and hits in short rushes.
whitefish whitefish
typically ~30 cm · can reach 55 cm
Whitefish follows the schools through open water — here today, gone tomorrow.

Fishing Stora Mörtsjön

perch, pike and grayling sit at the top of the food chain in Stora Mörtsjön, carried by elritsa, roach and regnbåge. The brown, humic water keeps visibility short — the fishing is more about vibration than sight.

The fishing here follows the water's own rhythm: dawn and dusk have their windows, fronts close and open them, and the season moves the fish. No two sessions at Stora Mörtsjön are alike.

General rules of thumb for this kind of water

  • Brown, humic water dampens the light — fishing can be good even in the middle of the day.
  • Acidified water yields few, hardy species.

The catch board

6 anglers · 12 catches
  1. 1Jukka Norénpike67 cm
  2. 2Roland Sandströmpike57 cm
  3. 3Bjørn Johansenburbot39 cm
  4. 4Mats Vainioburbot38 cm
  5. 5Hanna Petterssonburbot36 cm
  6. 6Karl Månssonroach15 cm
Species records here
pike67 cmJukka Norén
burbot39 cmBjørn Johansen
roach15 cmKarl Månsson
The same water, for real
This water's real catch reports — and the logbook for your own.Fångstrapport.sein SwedishThe real bite table for this water — for your next real session.Huggtabell.sein Swedish