An employee collects eggs from inside a dead female sturgeon at the caviar fish farming company “Sturgeon”, the leading French producer, in Saint-Genis-de-Saintonge, France, November 8, 2016. (Photo by Regis Duvignau/Reuters)

A dolphin swims alongside ships and fishing boats at the Bosphorus in Arnavutkoy district of Istanbul, Turkiye on May 21, 2023. (Photo by Isa Terli/Anadolu Agency via Getty Images)

Diver Sven, still in disguise, cleans the aquarium glass after a Santa Claus visit to the fish at Sea Life Berlin on December 6, 2021. (Photo by Christoph Soeder/dpa)

A selection of winning images from the Pink Lady food photographer of the year awards. Here: On the phone – Fishes of Hilsa by Azim Khan Ronnie. (Photo by Azim Khan Ronnie/Pink Lady Food Photographer Award 2020)

Kiyomura Co's President Kiyoshi Kimura (C), who runs a chain of sushi restaurants Sushi Zanmai, poses with a 212 kg (467 lbs) bluefin tuna at his sushi restaurant outside Tsukiji fish market in Tokyo, Japan, January 5, 2017. Kimura won the bid for the tuna caught off Oma, Aomori prefecture, northern Japan, with a 74 million yen (633,000 USD) at the fish market's first tuna auction this year. (Photo by Issei Kato/Reuters)

A fisherman carries a large Pirarucu (Arapaima gigas) at the Piagacu-Purus Sustainable Development Reserve in Amazonas state, Brazil, on October 24, 2019. The pirarucu -a giant fish of the Amazon, that had been on the verge of extinction- can measure up to three meters and weigh more than 200 kilos. The soft and tasty white meat fish is nowadays served in renowned restaurants in Rio de Janeiro. (Photo by Ricardo Oliveira/AFP Photo)

A hungry pelican is shown in a high-speed aerial pursuit of a rival's fish dinner. Having caught the fish, the osprey had to fend off competition from the much bigger bird. These stunning pictures were captured by Hanping Xiao in Sebastian Inlet State Park, Florida, USA in February 2023. (Photo by Hanping Xiao/Solent News & Photo Agency)

Fishermen prepare marlin and sailfish, destined for Jakarta, for auction at a fish market in Tegal, Central Java November 26, 2014 in this photo taken by Antara Foto. (Photo by Oky Lukmansyah/Reuters/Antara Foto)