| canada | | pseudopleuronectes americanus | species | 5 | 0 |
| canada | new brunswick | pseudopleuronectes americanus | species | 0 | 3 |
| canada | newfoundland and labrador | pseudopleuronectes americanus | species | 0 | 6 |
| canada | nova scotia | pseudopleuronectes americanus | species | 8 | 1 |
| china | beijing | pseudopleuronectes yokohamae | species | 1 | 0 |
| china | shandong | pseudopleuronectes herzensteini | species | 49 | 0 |
| china | shandong | pseudopleuronectes yokohamae | species | 79 | 0 |
| japan | aomori prefecture | pseudopleuronectes yokohamae | species | 14 | 0 |
| japan | chiba prefecture | pseudopleuronectes yokohamae | species | 34 | 1 |
| japan | hokkaido prefecture | pseudopleuronectes herzensteini | species | 1 | 0 |
| japan | hokkaido prefecture | pseudopleuronectes schrenki | species | 75 | 0 |
| japan | hokkaido prefecture | pseudopleuronectes yokohamae | species | 13 | 0 |
| japan | iwate prefecture | pseudopleuronectes yokohamae | species | 16 | 0 |
| japan | kanagawa prefecture | pseudopleuronectes herzensteini | species | 2 | 0 |
| japan | kanagawa prefecture | pseudopleuronectes yokohamae | species | 8 | 1 |
| japan | kyoto prefecture | pseudopleuronectes yokohamae | species | 9 | 0 |
| japan | tokyo prefecture | pseudopleuronectes yokohamae | species | 16 | 1 |
| japan | toyama prefecture | pseudopleuronectes yokohamae | species | 12 | 0 |
| russia | | pseudopleuronectes herzensteini | species | 9 | 0 |
| russia | | pseudopleuronectes obscurus | species | 6 | 0 |
| russia | | pseudopleuronectes yokohamae | species | 9 | 0 |
| russia | primorsky krai | pseudopleuronectes obscurus | species | 1 | 0 |
| russia | primorsky krai | pseudopleuronectes schrenki | species | 1 | 0 |
| russia | primorsky krai | pseudopleuronectes yokohamae | species | 1 | 0 |
| united states | alaska | pseudopleuronectes americanus | species | 0 | 1 |
| united states | alaska | pseudopleuronectes herzensteini | species | 1 | 0 |
| united states | arkansas | pseudopleuronectes americanus | species | 0 | 1 |
| united states | connecticut | pseudopleuronectes americanus | species | 0 | 1 |
| united states | maine | pseudopleuronectes americanus | species | 1 | 0 |
| united states | minnesota | pseudopleuronectes americanus | species | 0 | 1 |
| united states | new jersey | pseudopleuronectes americanus | species | 2 | 2 |
| united states | new york | pseudopleuronectes americanus | species | 1 | 2 |
| united states | rhode island | pseudopleuronectes americanus | species | 0 | 1 |
| united states | virginia | pseudopleuronectes americanus | species | 5 | 1 |
| united states | wisconsin | pseudopleuronectes americanus | species | 0 | 1 |