sentences:  Kelp forests are important ecosystems along California's coast—compared to tropical rainforests in their biodiversity—and, alongside giant kelp, the exhibit contains species of fish indigenous to Monterey Bay, including rockfishes and leopard sharks.In 1996, Monterey Bay Aquarium opened a second wing of aquatic exhibits, focusing on the pelagic habitats found offshore in Monterey Bay.Costing US$57 million and taking seven years to develop, the wing almost doubled the aquarium's public exhibit space.