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California Sea Lion Male Skull Replica measures 11.8 inches or 30cm. The California Sea Lion Male Skull Replica is Museum quality cast in Polyurethane resins. Made in USA. Zalophus californianus is a coastal eared seal native to western North America. It is one of five species of sea lions. Its natural habitat ranges from southeast Alaska to central Mexico, including the Gulf of California. Sea lion males are larger than females, and have a thicker neck and protruding crest. California sea lions differ in size, shape, and coloration between the sexes. Males are typically around 7.9 ft. long and weigh up 770 lbs. while females are typically around 5.9 ft. and weigh up to 220 lbs. Females and juveniles have a tawny brown fur although they may be temporarily light gray or silver after molting. The fur of adult males can be anywhere from light brown to black, but is typically dark brown. The face of adult males may also be light tan in some areas. Pups have a black or dark brown fur at birth. Although the species has a slender build, adult males have robust necks, chests, and shoulders. Adult males also have a protruding crest which gives them a “high, domed forehead”; it is tufted with white hairs.
California sea lions feed on a wide variety of seafood, mainly squid and fish, and sometimes clams. Commonly eaten fish and squid species include salmon, hake, Pacific whiting, anchovy, herring, rockfish, lamprey, dogfish, and market squid. They mostly forage near mainland coastlines, the continental shelf, and seamounts. California sea lions may eat alone or in small to large groups, depending on the amount of food available. They sometimes cooperate with other predators, such as dolphins, porpoises, and seabirds, when hunting large schools of fish. Sea lions sometimes follow dolphins and exploit their hunting efforts. Adult females feed between 6.2–62.1 miles from shore. Males may forage as far as 280 miles from shore when water temperatures rise. They also have learned to feed on steelhead and salmon below fish ladders at Bonneville Dam and at other locations where fish must queue in order to pass through dams and locks that block their passage.
Sea lions are preyed on by killer whales and large sharks. At Monterey Bay, California sea lions appear to be the more common food items for transient mammal-eating killer whale pods. The sea lions may respond to the dorsal fin of a killer whale and remain vigilant, even when encountering resident fish-eating pods. Sea lions are also common prey for white sharks. They have been found with scars made by attacks from both white sharks and shortfin mako sharks. Sharks attack sea lions by ambushing them while they are resting at the surface.
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