Rare 2-headed California kingsnake born at Bay Area pet store has died

BERKELEY, Calif. -- A rare two-headed snake born at a Berkeley, California, pet store has died.

East Bay Vivarium says "Angel" and "Zeke" died one week ago, just one day before their first birthday.

RELATED: Rare two-headed snake born at Berkeley pet store beating the odds: Meet Angel and Zeke

They were California kingsnakes and their birth was a one in 100,000 occurrence.

The store owner had a cautious optimism about the snake's future.

Angel and Zeke had a visible bump where their spine forked.

According to the SF Chronicle , workers worried the subdominant snake might choke if it tried to eat.

The snake grew to more than 18 inches in its life.