Huge aggregations of sea snakes have been reported. For example, in 1932 millions of Astrotia stokesii, a relative of Pelamis, were seen from a steamer in the Strait of Malacca, off the coast of Malaysia, and formed a line of snakes 3 m (9.8 ft) wide and 100 km (62 mi) long

I read this on Saturday and I’ve thought about it every waking moment since.