californianus [za' lO fuhs kal uh forn' uk
kuhs] (California Sea Lion, Galapagos Sea Lion,
Japanese Sea Lion)
Adult male Steller sea lions
are mostly dark brown in color, with lighter
belly and side coloring; adult females are
generally dark brown. Both sexes have black
flippers that are coated with short black
stubble. A fully grown male may be up to 7.75
feet long and weigh 860 pounds; males are larger
California sea lions have a
blackish brown coat that is shed at the first
month and replaced with a light brown coat. The
adult coat appears at four to five months.
Steller sea lions are usually
found along coastlines, but may be seen in rivers
along the northern Pacific coast. They tend to
inhabit areas which have undergone human
There are three distinct
populations of Steller sea lions. The California
sea lion (Z.c. californianus) is found
from southern Mexico north to British Columbia.
The Galapagos sea lion (Z.c. wollebaeki)
inhabits the Galapagos Islands, and is
occasionally seen in coastal Ecuador and
Colombia. The Japanese sea lion (Z.c.
japanoicus) once inhabited the Sea of Japan,
but may now be extinct.
Breeding activity peaks in
July. One pup is born after a gestation period of
about eleven months, with most pups being born
from mid-May through mid-June. Pups are weaned at
six to twelve months, and are sexually mature at
about 4.5 years.
Steller sea lions feed on a
variety of fish, as well as squid and octopus,
and cephalopods. They generally feed alone or in
small groups, unless there is a large quanitity
of food available. They have been known to feed
have been known to feed coopertively with
cetaceans, seabirds, and harbor porpoises.
genus & species Zalophus californianus
Animal Diversity Web http://animaldiversity.org/accounts/Zalophus_californianus/
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