In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Q: Eight species belong to the genus " Arctocephalus " and are found primarily in the Southern Hemisphere , while a ninth species also sometimes called fur seal , the northern fur seal ( " Callorhinus ursinus " ) , belongs to a different genus and inhabits the North Pacific .
A: 
One species , the northern fur seal ( " Callorhinus ursinus " ) inhabits the North Pacific , while eight species in the " Arctocephalus " genus are found primarily in the Southern hemisphere .