Angler Legend
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Ackjärnen

acidified brown forest lake · 60°N
Real lakereal shorelinereal water chemistrysources & method
clarity 1.9 mmax depth 3 mpH 5.4eutrophic · humicstatus poorgravel road

Character of the water

Ackjärnen 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.

Shallow throughout (max 3 m), with reeds and vegetation over large areas — water that warms fast in spring.

Permits & rules

Fishing permit required — Ackjärnen FVOF. Day permit ~100 kr · annual permit ~500 kr.

  • Pike: keep at most one over 75 cm per day.
  • Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Ackjärnen

perch predatory fish
typically ~22 cm · can reach 45 cm
Perch grazes the rich water in schools — where there's one, there are more.
pike predatory fish
typically ~62 cm · can reach 120 cm
In the murky light, pike shadows the baitfish and hits in short rushes.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach grazes the rich water in schools — where there's one, there are more.
bream coarse fish
typically ~38 cm · can reach 65 cm
Down on the bottom bream sifts the soft ground — patience beats speed here.
ruffe perch family
typically ~12 cm · can reach 22 cm
Down on the bottom ruffe sifts the soft ground — patience beats speed here.

Fishing Ackjärnen

perch and pike sit at the top of the food chain in Ackjärnen, carried by roach, bream and ruffe. The brown, humic water keeps visibility short — the fishing is more about vibration than sight.

Whoever fishes Ackjärnen 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

  • Brown, humic water dampens the light — fishing can be good even in the middle of the day.
  • Acidified water yields few, hardy species.
  • Nutrient-rich lakes hold plenty of baitfish but often murky water.

The catch board

6 anglers · 12 catches
  1. 1Torbjörn Petterssonbream30 cm
  2. 2Linnea Häggperch19 cm
  3. 3Hanna Petterssonperch18 cm
  4. 4Kjell Falkroach14 cm
  5. 5Tomas Brandtruffe13 cm
  6. 6Wolfgang Korhonenruffe10 cm
Species records here
bream30 cmTorbjörn Pettersson
perch18 cmHanna Pettersson
roach14 cmKjell Falk
ruffe10 cmWolfgang Korhonen
The same water, for real