NPS Photo / J. Pfeiffenberger. Steller sea lion printer friendly page. Steller Sea Lions. Two subspecies are recognized based on patterns in morphology, demography and genetics: E. j. pup between mid-May and mid-July. Steller sea lions are the largest members of the Otariid, or “eared seal,” family. Pups are born with a thick dark brown lanugo which they will molt at four to six months old. Steller's sea lion (Eumetopias jubatus) is the largest of the eared seals (members of the family Otariidae), a group that includes fur seals and sea lions.The impressive adult males are two and a half times the size of the females; they have large necks, and shoulders covered with a mane of long, coarse hair.
These SSLs belong to the Asian stock and their origins are in Russian rookeries (Isono, Burkanov, Ueda, & Hattori, 2010). It is the largest member of the eared seals (sea lions and fur seals). Living in packs, the males form harems of up to several dozen females. Weighing as much as 1,120kg, adult males dwarf adult females, which weigh up to 350kg (Loughlin, 2002). Steller Sea Lion . The Steller Sea Lion (Eumetopias jubatus) is a species of sea lion from the rocky coasts of North America. Steller sea lions, Eumetopias jubatus (Schreber, 1776), aka northern sea lions and Steller's sea lions, are the largest of the Otariidae (eared seal or sea lion) family. The Steller sea lion (Eumetopias jubatus) is the largest member of the Otariidae, the family of pinnipeds sometimes referred to as the "eared seals".The males of this species, also known as the northern sea lion, are substantially larger than females. Females or cows give birth to a 30 to 50 lb. Males have fur on their backs and chests; thus the name. Development and Family Structure. It is a nocturnal omnivore. Steller sea lions are a colonial breeder which means one bull male breeds with many females. Our Steller Sea Lions are the largest of the sea lion family. Males may be up to 325 cm (10-11 ft) in length and can weigh up to 1,100 kg (2,400 lb). Download all free or royalty-free photos and vectors. The Steller sea lion (Eumetopias jubatus) is the largest member of the Otariid (eared seal) family. Adult males measure 2.8-3.2 m in length and weigh an average 566 kg (maximum 1,120 kg). It is a vicious marine predator, even hunting northern fur seals, harbor seals, and Sea Otter pups. The color of the adult steller sea lions can range from light-yellow to orange-brown. Female sea lions average seven feet in length and about 600 pounds. Steller sea lions (SSLs; Eumetopias jubatus) travel to the coast of Hokkaido Island, Japan, to overwinter (Nishiwaki, 1967). It is the largest member of the eared seals (sea lions and fur seals). The Steller sea lion (Eumetopias jubatus) can be found in the Northern Pacific and is therefore also referred to as the “ Northern sea lion.” It is the largest of all Otarridae and amongst pinnipeds, only walruses and two types of elephant seals are larger.
Hunted as pests and suffering from a diminishing food supply, they are now in danger of becoming extinct."
The Steller Sea Lion (Eumetopias jubatus ) is a species of sea lion from the rocky coasts of North America. The Steller or Northern Sea Lion (Eumetopias jubatus) is the largest member of the family Otariidae and is the only extant representative of its genus. Steller sea lions are named for Georg Wilhelm Steller, the German surgeon and naturalist on the Bering expedition who first described and wrote about the species in 1742. The males or bulls establish and defend territories on rookeries to mate with females, during which time they do not feed. Steller Sea Lions are colonial breeders. Females reach 2.9 m in length, and 263 kg (maximum 350 kg) in weight. Bulls will become sexually mature between 3-8 years and have to defend their territory, while females generally give birth to their first pup between 4-6 years.
"The largest of the sea lion family, males can weigh up to a ton. The adult males of the sea lions are called bulls while females are known as cows. It is listed as near threatened by IUCN. Steller sea lions are the largest sea lion… Wildlife Species Description and Significance . However, the pups are entirely black in color. Steller sea lions are named after George Wilhelm Stellar who was a German naturalist that studied and observed their behavior. This means that Steller sea lions are huge animals. Steller sea lions will often gather and lounge on rocky outcrops in between feeding excursions into the ocean. The Steller or Northern Sea Lion (Eumetopias jubatus) is the largest member of the family Otariidae and is the only extant representative of its genus.