Threatened: The Controversial Struggle of the Southern Sea Otter: Sea otters are once again in peril after being brought back from the brink of extinction. An unprecedented number of sea otter deaths have occurred along the California coast in the last three years. Meanwhile, the Fish & Wildlife Services decision to eliminate their No Otter Zone from Southern California waters remains controversial. This fragile species threatened by pollution, infectious diseases, starvation, and competition with fishermen struggles for survival.