Fish, carp family
Ide
- Maximum length
- 100cm
- Maximum weight
- 8,0kg
- Best water temperature
- 10–22 °C
- Water today (4.1 °C)
- Tolerates it, but slowed down
About the species Ide
How to recognise it
Sturdy body with a dark back, silver sides, smaller scales than the chub and orange-red fins, especially the pelvic and anal fins.
Where it lives
Large lowland rivers, side arms and reservoirs; in summer in shoals near the surface, in winter in deep holes.
What it feeds on
Insects, worms, molluscs, plant food and young fish.
Spawning
From March to May; it lays its eggs on gravel or plants in flowing places.
It is caught on float, feeder and on fly. You can tell it from the chub by its darker back, smaller scales and orange fins.
Closed season, minimum size and daily limit
What the Fisheries Act says about ide. 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- 5kgOther speciesfor example crucian carp, breams, dace and chub (combined); invasive species are not counted
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 It may be out of date or contain an error, and exceptions apply on some waters.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 26 °C), but the water is colder than the ideal 10 to 22 °C. Fish tend to be slower and pickier.
- tolerates 2 to 26 °C
- best 10 to 22 °C
- spawning at 8 to 14 °C
- typical water today 4.1 °C
- Length
- up to 100 cm
- Weight
- up to 8.0 kg
- Oxygen
- Typical oxygen requirements
- Position in the food chain
- 3,4omnivore 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
- Ide: Photo: Viridiflavus, CC BY-SA 3.0, Wikimedia Commons
- Chub: Photo: Karelj, Public domain, Wikimedia Commons
- Roach: Photo: Scardinius_erythropthalmus1_resize.jpg: Original uploader was Algirdas at lt.wikipedia…, 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.