‘Red caviar’ slips off Japan’s sushi menus as roe prices soar

What happened: A collapse in wild salmon harvests has put "red caviar" at risk and it is slipping off Japan's sushi menus as roe prices soar, with warming seas disrupting supply. Why it matters: The prized delicacy's place on sushi menus is threatened by the supply disruption tied to warming seas and weaker wild salmon harvests.

A collapse in wild salmon harvests has put "red caviar" at risk and it is slipping off Japan's sushi menus as roe prices soar, with warming seas disrupting supply.

The prized delicacy's place on sushi menus is threatened by the supply disruption tied to warming seas and weaker wild salmon harvests.