Angler Legend
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Öster-Rocksjön

northern humic brown tarn · 64°N
Real lakereal shorelinesources & method
clarity 2.2 mmax depth 5 mpH 6.2eutrophic · humicstatus unsatisfactorypaved road

Character of the water

Öster-Rocksjön lies in the cold north — a northern humic brown tarn. 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 (5 m) — shallow bays, the odd reef and a deeper channel through the middle.

Permits & rules

Fishing permit required — Öster-Rocksjön 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 Öster-Rocksjön

perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.
pike predatory fish
typically ~62 cm · can reach 120 cm
Pike hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
roach coarse fish
typically ~18 cm · can reach 32 cm
The nutrient-rich water keeps roach moving constantly between the feeding grounds.
zander predatory fish
typically ~50 cm · can reach 95 cm
Zander hunts by feel more than sight in the stained water — short, hard strikes close to the bait.
bream coarse fish
typically ~38 cm · can reach 65 cm
Bream works the bottom in the dark — smell and feel come before everything else.
ruffe perch family
typically ~12 cm · can reach 22 cm
Ruffe works the bottom in the dark — smell and feel come before everything else.

Fishing Öster-Rocksjön

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

The fishing here follows the water's own rhythm: dawn and dusk have their windows, fronts close and open them, and the season moves the fish. No two sessions at Öster-Rocksjön are alike.

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. 1Jürgen Häggzander42 cm
  2. 2Torbjörn Petterssonbream34 cm
  3. 3Rickard Brandtperch18 cm
  4. 4Anna Häggperch18 cm
  5. 5Gustav Nilssonroach15 cm
  6. 6Magnus Raskroach14 cm
Species records here
zander42 cmJürgen Hägg
bream34 cmTorbjörn Pettersson
perch18 cmAnna Hägg
roach15 cmGustav Nilsson
The same water, for real