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Oppmannasjön

southern humic brown forest lake · 56°N
Real lakereal shorelinemeasured max depth 13 m17 species on recordsizes from survey fishingreal water chemistrysources & method
clarity 1.5 mmax depth 13 mpH 8.1eutrophic · humicstatus unsatisfactorypaved road

Character of the water

Oppmannasjön 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 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 (13 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

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

perch predatory fish
typically ~8 cm · can reach 19 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.
björkna fish
typically ~18 cm · can reach 35 cm
Down on the bottom björkna sifts the soft ground — patience beats speed here.
bream coarse fish
typically ~38 cm · can reach 65 cm
Down on the bottom bream sifts the soft ground — patience beats speed here.
pike predatory fish
typically ~26 cm · can reach 55 cm
In the murky light, pike shadows the baitfish and hits in short rushes.
ruffe perch family
typically ~6 cm · can reach 12 cm
Down on the bottom ruffe sifts the soft ground — patience beats speed here.
zander predatory fish
typically ~18 cm · can reach 18 cm
In the murky light, zander shadows the baitfish and hits in short rushes.
karp fish
typically ~45 cm · can reach 95 cm
Down on the bottom karp 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 ~11 cm · can reach 16 cm
Löja grazes the rich water in schools — where there's one, there are more.
roach coarse fish
typically ~6 cm · can reach 20 cm
Roach grazes the rich water in schools — where there's one, there are more.
nors fish
typically ~12 cm · can reach 22 cm
Nors roams the open water after the feed — a moving target.
ruda fish
typically ~18 cm · can reach 42 cm
Down on the bottom ruda sifts the soft ground — patience beats speed here.
sarv fish
typically ~11 cm · can reach 22 cm
The nutrient-rich water keeps sarv moving constantly between the feeding grounds.
whitefish whitefish
typically ~30 cm · can reach 55 cm
Whitefish follows the schools through open water — here today, gone tomorrow.
vendace whitefish
typically ~16 cm · can reach 28 cm
Vendace roams the open water after the feed — a moving target.
sutare fish
typically ~4 cm · can reach 4 cm
Down on the bottom sutare sifts the soft ground — patience beats speed here.

Fishing Oppmannasjön

Oppmannasjön holds 17 species, with perch, pike and zander at the top of the chain and ål, björkna and bream schooling beneath them. The modest depth keeps most of the fishing within reach of the bank.

Whoever fishes Oppmannasjön 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.
  • Nutrient-rich lakes hold plenty of baitfish but often murky water.

The catch board

6 anglers · 12 catches
  1. 1Erik Raskkarp49 cm
  2. 2Magnus Fischerkarp37 cm
  3. 3Linnea Korhonenvendace14 cm
  4. 4Henrik Lundlöja8 cm
  5. 5Elin Fischerruffe5 cm
  6. 6Karin Sjöbergsutare4 cm
Species records here
karp49 cmErik Rask
vendace14 cmLinnea Korhonen
löja8 cmHenrik Lund
ruffe5 cmElin Fischer
sutare4 cmKarin Sjöberg
The same water, for real