Fish, goby family
Round goby
- Maximum length
- 25cm
- Maximum weight
- 0,2kg
- Best water temperature
- 10–25 °C
- Water today (4.0 °C)
- Tolerates it, but slowed down
- Fishing districts near where it occurs
- 33
About the species Round goby
How to recognise it
Pelvic fins fused into a sucker and a black spot on the first dorsal fin. Large eyes set high.
Where it lives
Rocky banks of the Danube and large rivers. Spreads from the Black Sea region.
What it feeds on
Molluscs, invertebrates and the eggs of other fish.
Spawning
Several times per season; the male guards the nest under a stone.
Invasive species that is often caught instead of the target fish. Never release it into other waters.
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 4.0 °C today. The species tolerates this temperature (0 to 30 °C), but the water is colder than the ideal 10 to 25 °C. Fish tend to be slower and pickier.
- tolerates 0 to 30 °C
- best 10 to 25 °C
- spawning at 9 to 26 °C
- typical water today 4.0 °C
- Length
- up to 25 cm
- Weight
- up to 0.2 kg
- Oxygen
- Tolerates low oxygen
- Position in the food chain
- 3,3omnivore 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).
- OR Patkový Piesok
- OR Hámre
- Štrkovisko Oširíd
- Štrkovisko u Janíčkov
- Štrkovisko Brodské
- Čierna voda č. 1
- Dudváh č. 1
- Chorvátsky kanál
- Štrkovisko U horára
- Štrkovisko Lúčky
- Dunaj č. 3
- Štrkovisko Zelená voda 2
- Štrkovisko Zrkadlový Háj
- Dunaj č. 4
- VN Železná studnička č. 2
- VN Železná studnička č. 3
- OR Starý les (Aggerdó)
- Štrkovisko Čierny Brod
- Štrkovisko Drahy
- Morava č. 6
- Dunaj č. 4 – Karloveské rameno
- Štrkovisko Kúty
- Klátovské rameno č. 2
- Malý Dunaj č. 3
- Štrkovisko Jahodná č. 1
- Štrkovisko Jahodná č. 2
- Štrkovisko Jahodná č. 3
- Štrkovisko Jahodná č. 4
- Dunaj č. 1
- OR Virt
- OR Kőrtvélyes
- Štrkovisko Virt
- Žitava kanál č. 2
33 fishing districts in total. Show on map
Similar species
Photo credits
- Round goby: Photo: Peter van der Sluijs, CC BY-SA 3.0, Wikimedia Commons
- Kessler's goby: Photo: Yuriy Kvach, CC BY-SA 3.0, Wikimedia Commons
- Bare-throated goby: Photo: Yuriy Kvach, 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.