Fish, carp family
Common nase
- Maximum length
- 50cm
- Maximum weight
- 1,8kg
- Best water temperature
- 8–18 °C
- Water today (4.1 °C)
- Tolerates it, but slowed down
About the species Common nase
How to recognise it
Lower mouth with a sharp horny edge to the lip, silver body and reddish fins.
Where it lives
Faster gravel rivers, in shoals.
What it feeds on
Algae scraped from stones.
Spawning
In March and April it migrates upstream to gravel shallows.
Transverse structures on watercourses prevent it from migrating to spawning grounds.
Closed season, minimum size and daily limit
What the Fisheries Act says about common nase. For guidance only; check it in the fishing regulations of the district.
Closed season
§ 10 of the Decree- 15 Mar – 31 May
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 Decree30 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 30 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- 4ksYellow grouprainbow trout, brook trout, common nase, vimba bream; added to the green or blue group (at most 4 fish in total)
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 It may be out of date or contain an error, and exceptions apply on some waters.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.
Water temperature and requirements
At what temperature the species is active and how well today's water suits it.
Tolerates it, but slowed downTypical water in Slovakia is 4.1 °C today. The species tolerates this temperature (2 to 22 °C), but the water is colder than the ideal 8 to 18 °C. Fish tend to be slower and pickier.
- tolerates 2 to 22 °C
- best 8 to 18 °C
- spawning at 8 to 12 °C
- typical water today 4.1 °C
- Length
- up to 50 cm
- Weight
- up to 1.8 kg
- Oxygen
- Requires a lot of oxygen
- Position in the food chain
- 2,0plants and small animals
The values are indicative and come from the FishBase database. In a particular water, fish behave according to the weather, air pressure, oxygen and food.
Where it was recorded
Fishing districts around which a record of this species exists (GBIF).
We do not yet have records of this species at any fishing district. The data are supplemented from the GBIF database.
Similar species
Photo credits
- Common nase: Photo: André Karwath aka Aka, CC BY-SA 2.5, Wikimedia Commons
- Barbel: Photo: Neil Phillips from uk, CC BY 2.0, Wikimedia Commons
- Chub: Photo: Karelj, 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.