Freshwater sleepers · Odontobutidae
Chinese sleeper
Perccottus glenii
InvasiveNon-native
An invasive non-native species: fish caught must not be returned to the water.
- Typical size
- 10–15 cm
- Maximum size
- 25 cm
About
A voracious little predator from East Asia that can multiply massively in shallow, weedy waters. It devours the young of native small fish and amphibians. An EU-listed invasive species: fish caught must not be released.
Spawning season
- January
- February
- March
- April
- May – spawning
- June – spawning
- July – spawning
- August
- September
- October
- November
- December
The closed seasons and size limits shown here are the national (general) rules in Hungary. Some waters – such as Lake Balaton, Lake Velence or Lake Tisza – and local fishing rules may set different, stricter limits; always check the local rules before fishing.
