Shark Meets Penguins

(Image credit: Tim Wong, California Academy of Sciences.)The California Academy of Sciences introduced a group of pyjama sharks to its popular African Penguin exhibit. The two species are natural neighbors off the coast of South Africa.

Surface Feeding

(Image credit: California Academy of Sciences)For several months, biologists have been training the sharks to feed at a target location, allowing them to closely monitor each animal's progress.

(Image credit: California Academy of Sciences)The pyjama sharks were introduced, two at a time, to the aquarium's African penguin exhibit on July 31, 2012.

Shark Exam

(Image credit: California Academy of Sciences)Each animal received a physical exam before being introduced to the exhibit in African Hall.

Shark Cave

(Image credit: Tim Wong, California Academy of Sciences.)Biologists built underwater caves for the shy pyjama sharks, which live with a colony of African penguins at the Academy.

Still Building ...

(Image credit: Tim Wong, California Academy of Sciences.)Biologists take care in building underwater cave homes for pyjama sharks at the Academy.

African Penguins

(Image credit: California Academy of Sciences)The aquarium at the California Academy of Sciences has 18 African penguins (shown here) in its exhibit. Read more about the penguins.

What a Cutie!

(Image credit: California Academy of Sciences)African penguins grow to about 23 to 25 inches (58 to 64 cm) tall and can weight 5 to 9 pounds (2-4 kilograms).