Located at the intersection of Albany and Berkeley, the Tokyo Fish Market is never empty. Customers buying salmon, sushi or Japanese rice desserts fill the large room, and workers carrying, cutting, and wrapping fish abound. Or so it seems. The market needs more workers, said Li Nakamura, who has been running it since 1990. “Every business has a hard time right now finding workers,” he said. “We do not know why.” Up and down Albany’s commercial district of Solano and…