Invertebrate
Asian clam
- Records in GBIF
- 156
- Fishing districts near where it occurs
- 474
- Most sightings
- April

About the species Asian clam
About the species
An Asian clam that is spreading along large rivers and is invasive.
Where to find it by the water
Gravelly and sandy beds of large rivers, especially the Danube.
What this means for anglers
It displaces native mussels. Rinse your gear after fishing in such water so that you do not carry it into other waters.
When it is observed
Records by month in the areas around the fishing districts (GBIF).
- 3Jan
- 5Feb
- 14Mar
- 23Apr
- 20May
- 16June
- 9July
- 22Aug
- 16Sep
- 13Oct
- 2Nov
- 9Dec
In November the species is observed less than in the main season. Most records are from April.
The records come from people's observations and also reflect when and where observers move around. They are not a measurement of numbers or a guarantee of an encounter.
Where it was recorded
Fishing districts around which a record of this species exists. Sorted by number of records.
- Feld 50
- Prukse 50
- Kanál Malina č. 1 50
- Morava č. 3 50
- Morava č. 1 50
- Morava č. 2 50
- VN Centnúz 50
- Zohorský kanál č. 1 50
- Záhorský kanál 50
- Zohorský kanál č. 2 50
- Dunaj č. 4 – Devínske rameno 50
- Špek 50
- Bobrie jazero 50
- Jazero Čierny Feld 50
- SR Obloz 50
- Prepadlina Osmička 50
- Lábske jazero 50
- Štrkovisko Malé Axi 50
- Požiarna nádrž 50
- Rašelinisko Záhorská ves 50
- Rudava kanál 50
- Kruh 50
- Junkov Dolec 50
- Habán 50
- Strža 50
- Štelc a Výkopa 50
- Štrkovisko Gajarské 50
- Štrkovisko Suchohradské 1 50
- Štrkovisko Suchohradské 2 50
- Štrkovisko Jakubov č. 1 50
- Štrkovisko Jakubov č. 2 50
- Štrkovisko Kňaz – Malé Leváre 50
- Štrkovisko na Židovkách 50
- Štrkovisko Trojuholník 50
- Štrkovisko Záhorská Ves 50
- Štrkovisko Štvorec 50
474 fishing districts in total, 36 shown. The number next to a fishing district is the number of records around it. Show on map
More species from the group insects, crayfish and mussels
Photo credits
- Asian clam: Photo: Ryan Hodnett, CC BY-SA 4.0, Wikimedia Commons
- Dragonflies: Photo: Paul Balfe, CC BY 2.0, Wikimedia Commons
- Mayflies: Photo: Richard Bartz, Munich aka Makro Freak Image:MFB.jpg, CC BY-SA 2.5, Wikimedia Commons
- Caddisflies: Photo: Bruce Marlin, CC BY-SA 2.5, Wikimedia Commons
- Horseflies: Photo: Bruce Marlin, CC BY-SA 2.5, Wikimedia Commons
- Mosquitoes: Photo: Katja Schulz from Washington, D. C., USA, CC BY 2.0, Wikimedia Commons
- Castor bean tick: Photo: W.alter, CC BY-SA 4.0, Wikimedia Commons
The advice is general and does not replace the instructions of a doctor, rescuers, the site manager or the fishing regulations. Do not disturb protected species or dismantle their shelters.





