Fish, carp family
Grass carp
- Maximum length
- 150cm
- Maximum weight
- 45kg
- Best water temperature
- 18–28 °C
- Water today (4.1 °C)
- Out of range
- Fishing districts near where it occurs
- 10
About the species Grass carp
How to recognise it
Elongated cylindrical body, broad head, no barbels and large scales. Originates from East Asia.
Where it lives
Still and slow overgrown waters where it is stocked.
What it feeds on
Aquatic plants, which it can graze in large quantities.
Spawning
Here it reproduces naturally only rarely, so it is maintained by stocking.
It is a strong fighter. It is caught on plant-based baits, sweetcorn and pasta.
Closed season, minimum size and daily limit
What the Fisheries Act says about grass carp. For guidance only; check it in the fishing regulations of the district.
Minimum size
§ 12 of the Decree60 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 60 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.
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 It may be out of date or contain an error, and exceptions apply on some waters.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.
Out of rangeTypical water on the Slovakia is 4.1 °C today. That is outside the range the species tolerates (8 to 33 °C). Fish are less active or move to water with a more suitable temperature.
- tolerates 8 to 33 °C
- best 18 to 28 °C
- spawning at 20 to 30 °C
- typical water today 4.1 °C
- Length
- up to 150 cm
- Weight
- up to 45 kg
- Oxygen
- Typical oxygen requirements
- 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).
- Čierna voda č. 1
- Chorvátsky kanál
- Štrkovisko U horára
- Myjava č. 1
- Myjava č. 2a
- Štrkovisko Rohlík
- Malý Dunaj č. 6
- Štrkovisko Kuchajda
- Štrkovisko Štrkovec
- Štrkovisko Zlaté piesky
10 fishing districts in total. Show on map
Similar species
Photo credits
- Grass carp: Photo: Emőke Dénes, CC BY-SA 4.0, Wikimedia Commons
- Common carp: Photo: George Chernilevsky, CC BY-SA 3.0, Wikimedia Commons
- Silver carp: Photo: USFWS Mountain-Prairie, 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.