Chappy, a baby gray seal pup who was found on Feb. 16 stranded on the streets of New Haven, Connecticut, by police, has died after suffering severe digestive issues, according to the Mystic Aquarium who had been treating him since he was discovered last month.

The gray seal, named “Chappy,” was admitted to the Mystic Aquarium’s Animal Rescue Clinic on Feb. 16 after being discovered near the downtown of New Haven, Connecticut. While he was initially recovering from dehydration, malnutrition, and mild pneumonia, he eventually succumbed to gastrointestinal issues.

A baby seal found stranded on a street near Connecticut’s Yale University last month has died from severe digestive issues, a local aquarium announced Monday. Mystic Aquarium said “Chappy,” a nod to Chapel Street in New Haven where he was rescued,