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Mjösjön

northern clear oligotrophic forest lake · 63°N
Real lakereal shorelinemeasured max depth 19 m10 species on recordsources & method
clarity 5.6 mmax depth 19 mpH 6.7oligotrophicstatus goodgravel road

Character of the water

Mjösjön lies in the cold north — a northern clear oligotrophic forest lake. The water is crystal-clear and the fish skittish in the sharp light. In summer a thermocline settles around 7 m and splits the lake into two worlds.

The surroundings

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

A small but surprisingly deep pocket (19 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Mjösjön FVOF. Day permit ~60 kr · annual permit ~300 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 Mjösjön

perch predatory fish
typically ~22 cm · can reach 45 cm
Perch moves carefully in the clear water — small mouthfuls, many of them.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the clear water pike picks its moments — wary, but relentless once committed.
grayling fish
typically ~30 cm · can reach 50 cm
Grayling moves carefully in the clear water — small mouthfuls, many of them.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Burbot holds the bottom even in clear water — shade and depth are its cover.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach moves carefully in the clear water — small mouthfuls, many of them.
trout salmonids
typically ~35 cm · can reach 70 cm
In the clear water trout picks its moments — wary, but relentless once committed.
regnbåge fish
typically ~35 cm · can reach 70 cm
Regnbåge is a sight-hunter here — the clear water means long follows before the take.
Arctic char salmonids
typically ~35 cm · can reach 70 cm
In the clear water Arctic char picks its moments — wary, but relentless once committed.
ruda fish
typically ~18 cm · can reach 42 cm
Ruda lives down in the cool — the deep is its home ground all year.
whitefish whitefish
typically ~30 cm · can reach 55 cm
Whitefish holds in the open water column where light and temperature set the day.

Fishing Mjösjön

The species list of Mjösjön runs to 10. The predators — perch, pike and grayling — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.

Whoever fishes Mjösjön regularly builds something of their own: a log of what took, where and when. That's how the water gives up its patterns — cast by cast, never all at once.

General rules of thumb for this kind of water

  • Clear water makes fish light-shy — dawn, dusk and night are usually best.
  • In deep, oxygenated lakes the predators seek cool depth in summer, shallower in spring and autumn.

The catch board

6 anglers · 12 catches
  1. 1Karl Bergwhitefish30 cm
  2. 2Elin Nieminenwhitefish27 cm
  3. 3Sören Björkwhitefish24 cm
  4. 4Sabine Vainiograyling24 cm
  5. 5Stefan Olofssonruda17 cm
  6. 6Ole Nyströmroach15 cm
Species records here
whitefish27 cmElin Nieminen
grayling24 cmSabine Vainio
ruda17 cmStefan Olofsson
roach15 cmOle Nyström
The same water, for real