30 years alongside sea lions in the San Francisco Bay

SAN FRANCISCO (KGO) -- Two recent biting incidents involving swimmers have put new focus on sea lions in San Francisco Bay.

RELATED: Man bitten by sea lion describes terrifying attack

They have been the darlings of tourists since 1989, when they starting showing up in large numbers at Pier 39 after the Loma Prieta earthquake.

Here's a look back at the last 30 years of co-existing with sea lions in the bay.

Click here for more on sea lions from San Francisco's Pier 39.