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Ulvsjön

acidified brown forest lake · 60°N
Real lakereal shorelinemeasured max depth 25 m10 species on recordsizes from survey fishingreal water chemistrysources & method →
clarity 3.7 mmax depth 25 mpH 5.5oligotrophic · humicstatus poorgravel road
Fish Ulvsjön Buy forecast

Character of the water

Ulvsjön lies in central Sweden — a acidified brown forest lake. The tea-stained, humic water hides the bottom within an arm's length. In summer a thermocline settles around 6 m and splits the lake into two worlds. 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 (25 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Ulvsjön FVOF. Day permit ~140 kr · annual permit ~700 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 Ulvsjön

perch predatory fish
typically ~14 cm · can reach 45 cm
Perch grazes the rich water in schools — where there's one, there are more.
ål fish
typically ~55 cm · can reach 110 cm
Ål works the bottom in the dark — smell and feel come before everything else.
bream coarse fish
typically ~52 cm · can reach 68 cm
Down on the bottom bream sifts the soft ground — patience beats speed here.
pike predatory fish
typically ~88 cm · can reach 88 cm
In the murky light, pike shadows the baitfish and hits in short rushes.
ruffe perch family
typically ~14 cm · can reach 17 cm
Down on the bottom ruffe sifts the soft ground — patience beats speed here.
burbot bottom fish
typically ~41 cm · can reach 51 cm
Burbot works the bottom in the dark — smell and feel come before everything else.
löja fish
typically ~14 cm · can reach 18 cm
Löja grazes the rich water in schools — where there's one, there are more.
roach coarse fish
typically ~20 cm · can reach 25 cm
Roach grazes the rich water in schools — where there's one, there are more.
whitefish whitefish
typically ~20 cm · can reach 20 cm
Whitefish follows the schools through open water — here today, gone tomorrow.
vendace whitefish
typically ~18 cm · can reach 24 cm
Vendace roams the open water after the feed — a moving target.

Fishing Ulvsjön

Ulvsjön holds 10 species, with perch, pike and burbot at the top of the chain and ål, bream and ruffe schooling beneath them. The depth gives the water two storeys — and the fish move between them with the season.

Every session at Ulvsjön 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.

The catch board

6 anglers · 12 catches
  1. 1Oskar Nilssonpike75 cm
  2. 2Astrid Wagnerål50 cm
  3. 3Elin Åbergbream48 cm
  4. 4Jukka Åbergburbot32 cm
  5. 5Maria Holmvendace15 cm
  6. 6Jukka Erikssonvendace14 cm
Species records here
pike75 cmOskar Nilsson
ål50 cmAstrid Wagner
bream48 cmElin Åberg
burbot32 cmJukka Åberg
vendace14 cmJukka Eriksson
The same water, for real
This water's real catch reports — and the logbook for your own.Fångstrapport.sein SwedishThe real bite table for this water — for your next real session.Huggtabell.sein Swedish