Geoduck clams, known for their phallic shape, cost up to $30 a pound. But the industry depends on buyers in China, where the economy is slowing.

This makes pearl lobsters more than 6 times more expensive than Maine lobsters, which go for $15 a kilogram. So what makes pearl lobsters so special, and why are they so expensive? More from So ...

but that they actually get more pleasure from drinking wine they are told is expensive. If lobster were priced like chicken, we might enjoy it less. Also, because the shellfish is so delicate ...

Which is partly why ... expensive than that can of albacore at your local market. Wilcox: When you're assessing the quality of the tuna, you wanna taste the red meat, the akami. It's a wild animal ...