Fish, carp family
Asp
- Maximum length
- 120cm
- Maximum weight
- 12kg
- Best water temperature
- 12–24 °C
- Water today (3.5 °C)
- Out of range
- Fishing districts near where it occurs
- 8

About the species Asp
How to recognise it
Elongated, silver body, lower jaw projecting slightly forward. The only predatory cyprinid species here.
Where it lives
Large lowland rivers and reservoirs; it hunts near the surface in the current.
What it feeds on
Mainly small fish, for example bleak.
Spawning
In April and May on gravel in the current.
It is caught on small fish, spinners and by trolling near the surface.
Closed season, minimum size and daily limit
What the Fisheries Act says about asp. 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 Decree40 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 40 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 It may be out of date or contain an error, and exceptions apply on some waters.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 3.5 °C today. That is outside the range the species tolerates (4 to 28 °C). Fish are less active or move to water with a more suitable temperature.
- tolerates 4 to 28 °C
- best 12 to 24 °C
- spawning at 6 to 12 °C
- typical water today 3.5 °C
- Length
- up to 120 cm
- Weight
- up to 12 kg
- Oxygen
- Typical oxygen requirements
- Position in the food chain
- 4.4predator
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).
- Štrkovisko Oširíd
- Štrkovisko u Janíčkov
- Štrkovisko Lúčky
- Štrkovisko Drahy
- Morava č. 6
- Dunaj č. 2
- Morava č. 5
- OR Sekule
8 fishing districts in total. Show on map
Catches of Asp
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
- Asp: Photo: Karelj, Public domain, Wikimedia Commons
- Chub: Photo: Karelj, Public domain, Wikimedia Commons
- Northern pike: Photo: Jik jik, CC BY-SA 3.0, 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.

