People dressed as mermaids and mermen take part in the group swim during the MerMagic Convention at the Freedom Aquatic & Fitness Center in Manassas, Virginia on March 4, 2023. The event bills itself as the “World's Largest Mermaid Convention”. (Photo by Joseph Prezioso/AFP Photo)

A caiman swims amidst trash in Canal das Taxas at the Recreio dos Bandeirantes neighborhood in west Rio de Janeiro, Brazil, on November 22, 2023. The urban expansion of the area and the resulting pollution have put the yacare caiman (Caiman latirostris) “in danger of extinction”. (Photo by Tercio Teixeira/AFP Photo)

Swimmers in the Sky Pool, a transparent swimming pool suspended 35 meters above ground between two apartment buildings, during hot weather in Nine Elms, central London on Monday, August 12, 2024. (Photo by James Manning/PA Images via Getty Images)

A fisherman paddles on a makeshift raft as a child swims behind him in Gaza City's main fishing harbour on September 7, 2024, amid the ongoing war between Israel and the Palestinian militant group Hamas. (Photo by Omar Al-Qattaa/AFP Photo)

Yanna Xian, 24, and her boyfriend Mitch Brown, 27, were swimming while on a boat tour off Honolulu, Hawaii last year, when a curious two-week-old humpback approached them. (Photo by South West News Service)

A bride to be in the Grassmarket in Edinburgh, Scotland on Monday, April 26, 2021, as beer gardens, non-essential shops, restaurants and cafes, along with swimming pools, libraries and museums in Scotland reopen today after lockdown restrictions have eased. (Photo by Andrew Milligan/PA Images via Getty Images)

Nicolo Martinenghi of Italy competes in the Men's 50m Breaststroke Final on day six of the 2022 FINA World Short Course Swimming Championships at Melbourne Sports and Aquatic Centre on December 18, 2022 in Melbourne, Australia. (Photo by Daniel Pockett/Getty Images)

Team Spain perform their routine during the Team Technical during the World Aquatics Artistic Swimming World Cup 2024 - Stop 2 at Aquatics Centre on May 03, 2024 in Paris, France. (Photo by Adam Pretty/Getty Images)