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Karlsjösjön

southern humic brown forest lake · 57°N
Real lakereal shorelinemeasured max depth 17 m7 species on recordsizes from survey fishingsources & method →
clarity 1.1 mmax depth 17 mpH 6.4eutrophic · humicstatus poorforest track · 22 min for the last stretch
Fish Karlsjösjön Buy forecast

Character of the water

Karlsjösjön lies in the south — a southern humic brown forest lake. The tea-stained, humic water hides the bottom within an arm's length.

The surroundings

The lake lies half-remote, a fair way from the nearest road, tucked into woodland.

A small but surprisingly deep pocket (17 m) with steep drops straight down from shore — the bottom falls away fast.

Permits & rules

Fishing permit required — Karlsjösjön 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 Karlsjösjön

perch predatory fish
typically ~13 cm · can reach 39 cm
Perch grazes the rich water in schools — where there's one, there are more.
bream coarse fish
typically ~18 cm · can reach 25 cm
Down on the bottom bream sifts the soft ground — patience beats speed here.
pike predatory fish
typically ~64 cm · can reach 80 cm
In the murky light, pike shadows the baitfish and hits in short rushes.
roach coarse fish
typically ~14 cm · can reach 21 cm
Roach grazes the rich water in schools — where there's one, there are more.
sarv fish
typically ~14 cm · can reach 16 cm
The nutrient-rich water keeps sarv moving constantly between the feeding grounds.
vendace whitefish
typically ~19 cm · can reach 22 cm
Vendace roams the open water after the feed — a moving target.
sutare fish
typically ~35 cm · can reach 35 cm
Down on the bottom sutare sifts the soft ground — patience beats speed here.

Fishing Karlsjösjön

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

Every session at Karlsjösjön 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.
  • Nutrient-rich lakes hold plenty of baitfish but often murky water.

The catch board

6 anglers · 12 catches
  1. 1Elin Åbergvendace14 cm
  2. 2Roland Krügerbream14 cm
  3. 3Erik Raskperch14 cm
  4. 4Tomas Brandtsarv12 cm
  5. 5Petra Ekperch12 cm
  6. 6Tomas Webersarv11 cm
Species records here
bream14 cmRoland Krüger
vendace14 cmElin Åberg
perch12 cmPetra Ek
sarv11 cmTomas Weber
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