| canada | newfoundland and labrador | pleuronectes platessa | species | 0 | 2 |
| denmark | | pleuronectes platessa | species | 1 | 0 |
| denmark | region zealand | pleuronectes platessa | species | 0 | 1 |
| france | bretagne region | pleuronectes platessa | species | 4 | 0 |
| germany | mecklenburg-vorpommern | pleuronectes platessa | species | 3 | 0 |
| iceland | | pleuronectes platessa | species | 2 | 0 |
| italy | | pleuronectes platessa | species | 1 | 0 |
| mexico | federal district | pleuronectes platessa | species | 2 | 0 |
| netherlands | | pleuronectes platessa | species | 1 | 0 |
| norway | oslo county | pleuronectes platessa | species | 0 | 1 |
| russia | | pleuronectes quadrituberculatus | species | 9 | 0 |
| russia | primorsky krai | pleuronectes quadrituberculatus | species | 24 | 0 |
| sweden | | pleuronectes platessa | species | 2 | 0 |
| united kingdom | | pleuronectes platessa | species | 4 | 0 |
| united kingdom | england | pleuronectes platessa | species | 4 | 0 |
| united kingdom | scotland | pleuronectes platessa | species | 0 | 1 |
| united kingdom | wales | pleuronectes platessa | species | 1 | 0 |
| united states | alaska | pleuronectes quadrituberculatus | species | 10 | 0 |