Fättjarn
northern mesotrophic lake · 65°N
clarity 4.6 mmax depth 46 mpH 7.0mesotrophicstatus goodgravel road
Character of the water
Fättjarn lies in the cold north — a northern mesotrophic lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Large and deep (46 m): a central basin ringed by drop-offs and shallow bays around the edges — varied bottom with many spots to read.
Permits & rules
Fishing permit required — Fättjarn FVOF. Day permit ~140 kr · annual permit ~700 kr.
- Zander: minimum size 45 cm · protected during the spawn (Apr–May).
- Pike: keep at most one over 75 cm per day.
- Handheld tackle only. Respect the protected zones at the inlets and outlets.
Species in Fättjarn
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.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach moves carefully in the clear water — small mouthfuls, many of them.
zander predatory fish
typically ~50 cm · can reach 95 cm
In the clear water zander picks its moments — wary, but relentless once committed.
Fishing Fättjarn
Fättjarn holds 4 species, with perch, pike and zander at the top of the chain and roach schooling beneath them. The depth gives the water two storeys — and the fish move between them with the season.
Whoever fishes Fättjarn 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
- In deep, oxygenated lakes the predators seek cool depth in summer, shallower in spring and autumn.
The catch board
- 1Jonas Blompike54 cm
- 2Oskar Norénzander46 cm
- 3Magnus Lehmannzander41 cm
- 4Sara Norénzander40 cm
- 5Elin Åbergroach17 cm
- 6Ole Sandströmroach14 cm
Species records here
pike54 cmJonas Blom
zander41 cmMagnus Lehmann
roach17 cmElin Åberg
The same water, for real