Kalvsjön
southern nutrient-rich lowland lake · 59°N
clarity 1.3 mmax depth 3 mpH 7.4eutrophicstatus poorgravel road
Character of the water
Kalvsjön lies in the south — a southern nutrient-rich lowland lake.
The surroundings
The lake lies half-remote, a fair way from the nearest road, tucked into woodland.
Shallow throughout (max 3 m), with reeds and vegetation over large areas — water that warms fast in spring.
Permits & rules
Fishing permit required — Kalvsjön 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 Kalvsjön
perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.
bream coarse fish
typically ~38 cm · can reach 65 cm
Bream works the bottom in the dark — smell and feel come before everything else.
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.
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.
Fishing Kalvsjön
The species list of Kalvsjön runs to 6. The predators — perch, pike and burbot — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.
Whoever fishes Kalvsjön 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
- Nutrient-rich lakes hold plenty of baitfish but often murky water.
The catch board
- 1Hanna Strandpike52 cm
- 2Astrid Nieminenbream32 cm
- 3Mats Vainiobream31 cm
- 4Axel Boströmroach16 cm
- 5Rickard Brandtruda15 cm
- 6Nils Erikssonruda15 cm
Species records here
pike52 cmHanna Strand
bream32 cmAstrid Nieminen
roach16 cmAxel Boström
ruda15 cmNils Eriksson
The same water, for real
