Their ideal habitat includes a clean cobble substrate conducive to insect production and sturgeon egg incubation, undiked side channels and low-lying deltaic marsh lands, and waters affected by ...

In the 19th century, sturgeon species in the US were so common that there are accounts of caviar being offered in saloons for free, like bar nuts. In Europe, fishermen were feeding the eggs to ...

These organs, called barbels, help the fish to locate bottom-dwelling prey, such as snails, mussels, clams, crayfish, insect larvae, and fish eggs. Also known as the rock sturgeon, the lake ...

What came first, the sturgeon or the egg? Though caviar is a luxury whose legacy spans centuries, continents, and cultures, it can also feel shrouded in mystery, giving it a reputation for being ...

Why? Those sturgeon carried the ovaries that promised a decade’s worth of caviar. Once extracted, salted and shipped off to places like New York, Los Angeles, Paris and Tokyo, the eggs could be ...

The Service came back with a proposal to designate 11.2 miles of already-protected river miles as critical habitat — an area with a sandy bottom, which is a deathtrap for sturgeon eggs. In 2003, we ...