Sturgeon
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Sturgeon are the 27 species of fish belonging to the family Acipenseridae. The earliest sturgeon fossils date to the Late Cretaceous, and are descended from other, earlier acipenseriform fish, which d
Yanosteus longidorsalis, a member of the extinct acipenseriform family Peipiaosteidae from the Early Cretaceous (125–120 Mya) Yixian Formation in Liaoning, China
A fossil sturgeon (right) from the Tanis fossil site, showing the longstanding morphological conservatism of this group
The Atlantic sturgeon (A. oxyrhynchus) is one of the most basal sturgeon species
Shovelnose sturgeons (Scaphirhynchus platorynchus) are morphologically atypical members of the group
Caviar
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Caviar or caviare is a food consisting of salt-cured roe of the family Acipenseridae. Caviar is considered a delicacy and is eaten as a garnish or spread. Traditionally, the term caviar refers only to
Sturgeon
…near coastal areas, and are known to venture into open ocean. The roe some of these sturgeon species spawn are harvested and processed into luxurious caviar. This has led to serious overexploitation, which combined with other conservation threats, has brought most of the species to critically endangered…
Salmon roe (left) and sturgeon caviar (right) served with mother of pearl caviar spoons to avoid tainting the taste of the caviar.
Sturgeon fishing in the Po river in 1950, Italy
The dam at Alcalá del Río, started in 1931, blocked the upstream migration of sturgeon in the Guadalquivir.
Imitation caviar of the lumpfish