The Galapagos fur seal belongs to a genus of fur seals called Arctocephalus (or Arctophoca), meaning bear-headed. Very similar, yet very different, below we highlight the uniqueness of each of these wonderful species. Females weigh around 75 kg and males can weigh up to 200 kg. The Galapagos sea lion belongs to the genus Zalophus which contains 2 extant sea lion species, and previously contained the Japanese sea lion which went extinct in … Sea Lions and Fur Seals of Galápagos Fur seals and sea lions are some of the Galápagos Islands' friendliest wildlife. Whether they're playing on the archipelago's rocky shores, taking a snooze on a sun-warmed dock or doing some submarine gymnastics, they are always good for a smile and a photograph. If you are visiting the Galapagos on a cruise tour, you will most likely encounter Sea Lions, if your itinerary includes Puerto Egas on Santiago Island you will also be able to find a large fur seal colony. Galapagos sea lions, although they are the smallest species of sea lions, are much larger than fur seals. Fur seals, the smallest of all the pinnipeds, weigh between 30 and 80 kg.