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Petisträsket

northern acidified brown forest lake · 65°N
Real lakereal shoreline7 species on recordsources & method
clarity 1.1 mmax depth 11 mpH 4.6eutrophic · humicstatus poorpaved road

Character of the water

Petisträsket lies in the cold north — a northern acidified brown forest lake. The tea-stained, humic water hides the bottom within an arm's length. In summer a thermocline settles around 7 m and splits the lake into two worlds. Acidification has thinned life down to the hardiest few.

The surroundings

The lake sits close to town with a road right up to it — easy to reach, but hard-fished and exposed to nutrient runoff from the buildings and fields all around.

Moderately deep (11 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

Fishing permit required — Petisträsket 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 Petisträsket

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.
ruffe perch family
typically ~12 cm · can reach 22 cm
Down on the bottom ruffe sifts the soft ground — patience beats speed here.
burbot bottom fish
typically ~45 cm · can reach 90 cm
Burbot works the bottom in the dark — smell and feel come before everything else.
löja fish
typically ~12 cm · can reach 20 cm
Löja grazes the rich water in schools — where there's one, there are more.
roach coarse fish
typically ~18 cm · can reach 32 cm
Roach grazes the rich water in schools — where there's one, there are more.
vendace whitefish
typically ~16 cm · can reach 28 cm
Vendace roams the open water after the feed — a moving target.

Fishing Petisträsket

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

Every session at Petisträsket 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.
  • Stratified, oxygen-poor lakes push the fish up above the thermocline in summer.
  • 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. 1Mats Åbergburbot36 cm
  2. 2Karl Raskroach14 cm
  3. 3Maria Sandströmroach14 cm
  4. 4Jürgen Schmidtvendace13 cm
  5. 5Mikael Nieminenlöja11 cm
  6. 6Bjørn Boströmlöja10 cm
Species records here
burbot36 cmMats Åberg
roach14 cmMaria Sandström
vendace13 cmJürgen Schmidt
löja11 cmMikael Nieminen
The same water, for real