https://www.selleckchem.com/pr....oducts/mk-8353-sch90
A survey of the species of the Proteocephalus-aggregate from sticklebacks (Actinopterygii Gasterosteidae) is provided. The occurrence of three species in North America is confirmed (i) Proteocephalus filicollis (Rudolphi, 1802), which has been reported from the three-spined stickleback, Gasterosteus aculeatus Linnaeus, in the northeastern part of North America (Newfoundland); (ii) Proteocephalus pugetensis Hoff et Hoff, 1929 occurs also in G. aculeatus, but in northwestern North America (British Columbia and Washington); and (