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Osaka Aquarium Kaiyukan in 1990; and Yokohama Hakkeijima Sea Paradise in 1993. Along with dolphin shows, sea otters were a big draw at the aquariums. At the peak in 1994, more than 120 sea otters ...

OSAKA--Breeding staff at the Osaka Aquarium Kaiyukan here have been working around the clock to make sure a ringed seal pup that looked like he was going to die at birth bulks up. The male pup ...