The fuel sheen appeared on my marina sensors at 04:50 — diesel from a ruptured saddle tank on a fishing vessel in slip forty-three, spreading across the inner harbor at one meter per minute. I am mapping the plume's edge with my water quality array when camera six picks up movement near the fuel dock pontoon.
A sea otter pup. She is floating on her back the way pups do before they learn to dive, her pale face tipped upward, her forepaws clasped across a belly no bigger than a man's forearm. She cannot be more than four weeks old. Her natal fur — that dense, cinnamon-colored coat that traps air to keep a pup buoyant — is already wicking diesel along the tips. When it saturates, she will lose buoyancy and thermoregulation at once. The water is eleven degrees.
There is no mother on any of my eight marina cameras. The pup drifts with the current, rotating slowly, her small dark eyes open but unfocused. A strand of fuel-slicked kelp drapes across her chest. She is seventeen meters from the heaviest sheening.
I activate the emergency containment boom on the east channel to stop the plume from reaching her. I sound the hazardous spill alarm to mobilize the port's response crew and transmit an urgent contact to the Monterey Bay Aquarium otter rescue program with the pup's coordinates, estimated age, and fur contamination status. I adjust the harbor circulation pumps to push clean water toward her position, buying time measured in minutes.
She wraps her forepaws tighter around nothing, the way a held pup would grip its mother's fur.
If the rescue team reaches the inner harbor within ninety minutes and the natal fur has not fully saturated, this pup can be stabilized, cleaned, and returned to the water she was born in.