Fish, salmon family
Brown trout (lake form)
- Origin
- Native species
- Minimum size
- 50cm
About the species Brown trout (lake form)
How to recognise it
A silver body with dark spots and an adipose fin behind the dorsal fin. It grows much larger than the brown trout.
Where it lives
The lake form of the brown trout: it lives in large, cold, well-oxygenated reservoirs and moves up into tributaries to spawn.
What it feeds on
Fish and larger invertebrates.
It is the same species as the brown trout and differs in way of life. The regulation gives it its own minimum size and closed season.
Closed season, minimum size and daily limit
What the Fisheries Act says about brown trout (lake form). For guidance only; check it in the fishing regulations of the district.
Closed season
§ 10 of the Decree- 1 Sep – 15 Apr
this species may not be fishedoutside this period
It does not depend on the closed season for all fish by water type. You can find this and the other rules on the fishing district page in the Law and fishing rules section.
Minimum size
§ 12 of the Decree50 cm
below the size limit: return it to the waterfrom the size limit: you may keep it
You must not keep a fish shorter than 50 cm. The total length is measured from the front of the head to the end of the longest ray of the tail fin (§ 12, para. 4). The district user may raise the size; the one in the permit and the fishing regulations applies.
Daily limit
§ 14 of the Decree- 2pcsGreen groupeel, carp, burbot, zander, pike, tench, barbel, lake brown trout, brown trout, grayling (combined)
The limit applies per day, also when fishing in several districts. The district user may set a lower limit in the permit, in which case the stricter one applies.
Summary of Act no. 216/2018 Coll. and Decree no. 381/2018 Coll. (as of 6 Nov 2026). It may be out of date or contain an error, and exceptions apply on some waters. The permit and the fishing regulations of the district are binding. The fishing law, rule by rule.
Where it was recorded
Fishing districts around which a record of this species exists (GBIF).
We do not yet track where this species occurs in individual fishing districts. So far we have records from the GBIF database only for species with numerical water-temperature data.
Catches of Brown trout (lake form)
Approved catches by anglers on this portal.
Nobody has logged a catch of this species yet. Be the first; once approved it will appear here and on the leaderboard.
Similar species
Photo credits
- Brown trout (lake form): Photo: Allie_Caulfield, CC BY 2.0, Wikimedia Commons
- Brown trout: Photo: USFWS Mountain Prairie, Public domain, Wikimedia Commons
- Rainbow trout: Photo: This image originates from the National Digital Library of the United States Fish and W…, Public domain, Wikimedia Commons
Minimum sizes, protection periods and permitted fishing methods are set by the fishing regulations and the conditions of the specific fishing district. Check them before you fish.