Dolphin Mimmo Persists in Venice Lagoon Despite Risks

VENICE, Italy — A wild dolphin nicknamed Mimmo has captivated visitors and residents in Venice's lagoon for months with its acrobatic displays, but experts warn that the animal's persistent presence in a busy waterway poses serious risks to its safety.

The dolphin, believed to be a young male, first entered the Venetian lagoon on July 23, likely following a school of fish into the brackish waters near the fishing town of Chioggia. Named after the sailing instructor who spotted it, Mimmo has made the heavily trafficked St. Mark's Basin its home, performing playful flips in front of St. Mark's Square. This shallow expanse connects the Grand Canal and Giudecca Canal and sees constant activity from ferries, water buses, taxis, and private boats.

Experts from the University of Padua's emergency response team for marine mammals, known as CERT, have monitored Mimmo closely since its arrival. Weekly boat checks and public sightings, including photos and videos shared by citizens, indicate the dolphin remains in good health and nutrition, feeding on local species like mullet, sea bass, and sea bream. Its behavior appears normal for a so-called social loner, a pattern in which young males...