Grand Central Terminal, lower level 212-490-6650
Scooped up from the water before the blue crab’s new skin has time to harden, these Florida specimens come sautéed with garlic and butter for $29.95.
70 Prince St., at Crosby St.; 212-219-8570
Through April 9, the rich-flavored, bony American herring and its prized roe are celebrated with a $55 four-course menu ($75 with wine). The panna cotta is, mercifully, shad-free.