| canada | | myoxocephalus aenaeus | species | 2 | 0 |
| canada | | myoxocephalus octodecemspinosus | species | 1 | 0 |
| canada | | myoxocephalus scorpius | species | 5 | 0 |
| canada | | myoxocephalus thompsonii | species | 5 | 0 |
| canada | manitoba | myoxocephalus scorpioides | species | 6 | 0 |
| canada | manitoba | myoxocephalus scorpius | species | 1 | 0 |
| canada | new brunswick | myoxocephalus octodecemspinosus | species | 3 | 0 |
| canada | new brunswick | myoxocephalus scorpius | species | 1 | 0 |
| canada | newfoundland and labrador | myoxocephalus scorpius | species | 8 | 0 |
| canada | nova scotia | myoxocephalus aenaeus | species | 5 | 0 |
| canada | nova scotia | myoxocephalus octodecemspinosus | species | 15 | 0 |
| canada | nova scotia | myoxocephalus scorpius | species | 3 | 0 |
| canada | nunavut | myoxocephalus scorpius | species | 1 | 0 |
| canada | ontario | myoxocephalus thompsonii | species | 9 | 1 |
| canada | quebec | myoxocephalus octodecemspinosus | species | 1 | 0 |
| canada | quebec | myoxocephalus scorpius | species | 2 | 0 |
| denmark | | myoxocephalus scorpius | species | 1 | 0 |
| japan | | myoxocephalus brandtii | species | 61 | 0 |
| japan | | myoxocephalus polyacanthocephalus | species | 12 | 0 |
| japan | | myoxocephalus stelleri | species | 34 | 0 |
| japan | hokkaido prefecture | myoxocephalus brandtii | species | 1 | 0 |
| japan | hokkaido prefecture | myoxocephalus jaok | species | 1 | 0 |
| japan | hokkaido prefecture | myoxocephalus stelleri | species | 5 | 0 |
| japan | miyagi ken prefecture | myoxocephalus stelleri | species | 1 | 0 |
| netherlands | | myoxocephalus scorpius | species | 1 | 0 |
| new caledonia | | myoxocephalus scorpius | species | 0 | 1 |
| norway | | myoxocephalus scorpius | species | 4 | 0 |
| norway | more og romsdal county | myoxocephalus scorpius | species | 0 | 1 |
| russia | | myoxocephalus brandtii | species | 7 | 0 |
| russia | | myoxocephalus jaok | species | 6 | 0 |
| russia | | myoxocephalus ochotensis | species | 3 | 0 |
| russia | | myoxocephalus stelleri | species | 6 | 0 |
| russia | kamchatka krai | myoxocephalus ochotensis | species | 3 | 0 |
| russia | kamchatka krai | myoxocephalus stelleri | species | 18 | 0 |
| russia | khabarovsk krai | myoxocephalus jaok | species | 3 | 0 |
| russia | primorsky krai | myoxocephalus polyacanthocephalus | species | 2 | 0 |
| russia | primorsky krai | myoxocephalus stelleri | species | 5 | 0 |
| sweden | | myoxocephalus scorpius | species | 4 | 0 |
| turkey | sinop province | myoxocephalus scorpius | species | 0 | 1 |
| united kingdom | england | myoxocephalus scorpius | species | 3 | 0 |
| united kingdom | scotland | myoxocephalus scorpius | species | 25 | 0 |
| united states | | myoxocephalus polyacanthocephalus | species | 35 | 0 |
| united states | alaska | myoxocephalus jaok | species | 3 | 1 |
| united states | alaska | myoxocephalus polyacanthocephalus | species | 41 | 2 |
| united states | maine | myoxocephalus aenaeus | species | 4 | 0 |
| united states | maine | myoxocephalus octodecemspinosus | species | 1 | 0 |
| united states | maine | myoxocephalus scorpius | species | 2 | 0 |
| united states | massachusetts | myoxocephalus scorpius | species | 2 | 0 |
| united states | michigan | myoxocephalus thompsonii | species | 0 | 2 |
| united states | washington | myoxocephalus polyacanthocephalus | species | 4 | 0 |
| united states | wisconsin | myoxocephalus thompsonii | species | 1 | 0 |
| venezuela | nueva esparta | myoxocephalus scorpius | species | 0 | 0 |