A juvenile bottlenose dolphin was found shot to death on a Louisiana beach last month.

An animal autopsy found multiple bullets in the animal’s body, including the brain, spinal cord, and heart, the National Oceanic and Atmospheric Administration said.

NOAA said a member of the public reported the animal stranded to the Southeast Marine Mammal Stranding Hotline, which contacted Audubon Aquarium Rescue. The aquarium recovered the body.

The agency has offered a $10,000 reward for information leading to identification, prosecution, and arrest of the whoever is responsible for killing the dolphin.

The Marine Mammal Protection Act provides punishments of up to $100,000 in fines and up to 1 year in jail.

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[Featured image: Audubon Animal Rescue]