An aquarium was treating the seal pup for dehydration, malnutrition and other health issues before its condition declined past the point of no return.

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,

The seal named Chappy, which had been found flat on its stomach on a cold, snow-encrusted street in New Haven, Conn., had an intestinal disease, a necropsy showed.