California sees uptick in great white sharks and deadly sea snakes during scorching heatwave The IndependentMarine scientists warn El Niño will push sharks, venomous snakes and other oceanic ‘oddities’ across seas New York PostShark Sightings Surge This Summer as They Seek Relief From the Heat gizmodo.comEl Niño’s ‘whole different ocean’ to send odd sea creatures to U.S. The Spokesman-ReviewMore shark sightings doesn’t mean more danger, experts say USA Today