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Rantaonkijärvi

northern acidified brown forest lake · 68°N
Real lakereal shoreline1 species on recordsources & method
clarity 2.3 mmax depth 9 mpH 4.6oligotrophic · humicstatus unsatisfactorypaved road

Character of the water

Rantaonkijärvi lies in the cold north — a northern acidified brown forest lake. The tea-stained, humic water hides the bottom within an arm's length. Acidification has thinned life down to the hardiest few.

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

Permits & rules

Fishing permit required — Rantaonkijärvi FVOF. Day permit ~140 kr · annual permit ~700 kr.

  • Handheld tackle only. Respect the protected zones at the inlets and outlets.

Species in Rantaonkijärvi

perch predatory fish
typically ~22 cm · can reach 45 cm
The nutrient-rich water keeps perch moving constantly between the feeding grounds.

Fishing Rantaonkijärvi

The species list of Rantaonkijärvi runs to 1. The predators — perch — hunt where the baitfish gather, and on a water this size you soon learn where it holds its fish.

Every session at Rantaonkijärvi 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.
  • Acidified water yields few, hardy species.

The catch board

6 anglers · 12 catches
  1. 1Wolfgang Brandtperch22 cm
  2. 2Emil Åströmperch20 cm
  3. 3Linnea Häggperch19 cm
  4. 4Jukka Weberperch19 cm
  5. 5Rickard Lundperch19 cm
  6. 6Ida Månssonperch18 cm
The same water, for real