Fish, carp family
Topmouth gudgeon
- Maximum length
- 11cm
- Maximum weight
- 0,0kg
- Best water temperature
- 14–26 °C
- Water today (4.0 °C)
- Tolerates it, but slowed down
- Fishing districts near where it occurs
- 26

About the species Topmouth gudgeon
How to recognise it
Small fish up to 11 cm with an upper mouth and a dark stripe along the body.
Where it lives
Still and slow waters. Originates from East Asia.
What it feeds on
Plankton, insects and eggs.
Spawning
In summer; the male guards the eggs.
Invasive species that can carry a pathogen threatening native 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 (3 to 30 °C), but the water is colder than the ideal 14 to 26 °C. Fish tend to be slower and pickier.
- tolerates 3 to 30 °C
- best 14 to 26 °C
- spawning at 15 to 25 °C
- typical water today 4.0 °C
- Length
- up to 11 cm
- Weight
- up to 0.0 kg
- Oxygen
- Tolerates low oxygen
- Position in the food chain
- 3,1omnivore 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).
- Štrkovisko Adamov č. 1
- Štrkovisko Adamov č. 2
- Štrkovisko Oširíd
- Štrkovisko u Janíčkov
- Čierna voda č. 1
- Dudváh č. 1
- OR Melečka č. 1
- OR Melečka č. 2
- Štrkovisko Lúčky
- OR Pasienok
- Štrkovisko Roličky
- Štrkovisko Šoporňa
- VN Kráľová
- Štrkovisko Kráľová nad Váhom
- Ipeľ č. 6
- Štrkovisko Drahy
- Nitra č. 3
- VN Pusté Sady
- OR Malá Hangócka
- OR Veľká Hangócka
- VN Uhorské
- Jarčie č. 1
- Jarčie č. 2
- Štrkovisko Malá Mača
- Štrkovisko Šintava
- Štrkovisko Vincov les
26 fishing districts in total. Show on map
Similar species
Photo credits
- Topmouth gudgeon: Photo: Seotaro, edited by Lycaon, CC BY-SA 3.0, 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.
