Oldest and Most Endangered Fish

Archaic giants of the fish world, sturgeon fossils have been found dating back to the Jurassic period. Despite having survived for millions of years, the IUCN has stated that, due to overfishing and habitat loss, they are “more critically endangered than any other group of species.” Sturgeon is the common name encompassing roughly 29 different species of fish in the Acipenseridae family, many of which are famous for the caviar harvested from their eggs. These fishy beasts commonly grow to about 2-3 meters (7-10 feet) in length, with some specimens reaching up to 8 meters (26.2 feet) long! Not only are they one of the largest growing bony fish, they are the longest living as well; capable of reaching 100 years or more.

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