'Mysterious' tide: Alien-like sea creatures blanket US beaches

Velella velella, colonial sea creatures, create a fascinating spectacle on west coast beaches. Their boom-and-bust cycles, link to ocean temperatures, and impact on marine ecosystems raise concerns among scientists.

from Times of India https://timesofindia.indiatimes.com/world/us/mysterious-tide-alien-like-sea-creatures-blanket-us-beaches/articleshow/109093553.cms