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Mjögtvängen

acidified brown forest lake · 59°N
Real lakereal shorelinemeasured max depth 36 m10 species on recordsources & method
clarity 1.3 mmax depth 36 mpH 4.6mesotrophic · humicstatus poorgravel road

Character of the water

Mjögtvängen 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.

A small but surprisingly deep pocket (36 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Mjögtvängen 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 Mjögtvängen

perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.
ål fish
typically ~55 cm · can reach 110 cm
Down on the bottom ål sifts the soft ground — patience beats speed here.
pike predatory fish
typically ~62 cm · can reach 120 cm
Pike hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Down on the bottom burbot sifts the soft ground — patience beats speed here.
löja fish
typically ~12 cm · can reach 20 cm
The nutrient-rich water keeps löja moving constantly between the feeding grounds.
roach coarse fish
typically ~18 cm · can reach 32 cm
The nutrient-rich water keeps roach moving constantly between the feeding grounds.
trout salmonids
typically ~35 cm · can reach 70 cm
Trout 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
Arctic char hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
whitefish whitefish
typically ~30 cm · can reach 55 cm
Whitefish roams the open water after the feed — a moving target.
vendace whitefish
typically ~16 cm · can reach 28 cm
Vendace follows the schools through open water — here today, gone tomorrow.

Fishing Mjögtvängen

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

Every session at Mjögtvängen is fished in whatever conditions hold right then — the same pressure, wind and light as over the real water. What bites today isn't what bit the day before, and those who return learn the water for real.

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.
  • In deep, oxygenated lakes the predators seek cool depth in summer, shallower in spring and autumn.
  • Acidified water yields few, hardy species.

The catch board

6 anglers · 12 catches
  1. 1Ida MånssonArctic char32 cm
  2. 2Linnea Häggtrout31 cm
  3. 3Axel Nilssontrout31 cm
  4. 4Wolfgang Åbergwhitefish24 cm
  5. 5Fredrik Krügerperch18 cm
  6. 6Elin Hansenroach14 cm
Species records here
Arctic char32 cmIda Månsson
trout31 cmAxel Nilsson
whitefish24 cmWolfgang Åberg
perch18 cmFredrik Krüger
roach14 cmElin Hansen
The same water, for real