News in Brief Environment

How oil breaks fish hearts

Hydrocarbons spilled into oceans stifle the beat of cardiac cells

HEARTBREAK  Spilled crude oil in the ocean interrupts ion cycling in the hearts of fish, such as this bluefin tuna, which can lead to irregular heartbeats.

© Gilbert Van Ryckevorsel/TAG A Giant

By Beth Mole

- More than 2 years ago

CHICAGO— Crude oil in the ocean from spills may cramp crucial electrical activity in fish, crippling the pitter-patter of piscine hearts and potentially causing death.