Gruvasjön

nutrient-rich lowland lake · 61°N

Real lakereal shoreline13 species on recordsources & method →

clarity 1.2 mmax depth 5 mpH 7.4eutrophicstatus poorpaved road

Character of the water

Gruvasjön lies in central Sweden — a nutrient-rich lowland lake.

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 — Gruvasjön 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 Gruvasjön

perch predatory fish

typically ~22 cm · can reach 45 cm

The nutrient-rich water keeps perch moving constantly between the feeding grounds.

björkna fish

typically ~18 cm · can reach 35 cm

Björkna works the bottom in the dark — smell and feel come before everything else.

bream coarse fish

typically ~38 cm · can reach 65 cm

Bream works the bottom in the dark — smell and feel come before everything else.

elritsa fish

typically ~7 cm · can reach 12 cm

Elritsa grazes the rich water in schools — where there's one, there are more.

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.

ruffe perch family

typically ~12 cm · can reach 22 cm

Ruffe works the bottom in the dark — smell and feel come before everything else.

grayling fish

typically ~30 cm · can reach 50 cm

The nutrient-rich water keeps grayling moving constantly between the feeding grounds.

id fish

typically ~38 cm · can reach 75 cm

The nutrient-rich water keeps id moving constantly between the feeding grounds.

karp fish

typically ~45 cm · can reach 95 cm

Karp works the bottom in the dark — smell and feel come before everything else.

burbot bottom fish

typically ~45 cm · can reach 90 cm

Down on the bottom burbot sifts the soft ground — patience beats speed here.

roach coarse fish

typically ~18 cm · can reach 32 cm

The nutrient-rich water keeps roach moving constantly between the feeding grounds.

ruda fish

typically ~18 cm · can reach 42 cm

Ruda works the bottom in the dark — smell and feel come before everything else.

sutare fish

typically ~35 cm · can reach 60 cm

Sutare works the bottom in the dark — smell and feel come before everything else.

Fishing Gruvasjön

The species list of Gruvasjön runs to 13. The predators — perch, pike and grayling — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.

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 Gruvasjön are alike.

General rules of thumb for this kind of water

Nutrient-rich lakes hold plenty of baitfish but often murky water.

The catch board

6 anglers · 12 catches

1Heike Brandtsutare32 cm
2Ole Brandtperch19 cm
3Karin Nilssonruda18 cm
4Jonas Krügerroach16 cm
5Jukka Åbergroach16 cm
6Sabine Krügerroach15 cm

Species records here

sutare32 cmHeike Brandt

perch19 cmOle Brandt

ruda18 cmKarin Nilsson

roach16 cmJukka Åberg

The same water, for real

This water's real catch reports — and the logbook for your own.Fångstrapport.sein Swedish

The real bite table for this water — for your next real session.Huggtabell.sein Swedish