The new species appears to have a "rare" relationship with a specific species of file clam, according to a study.

Some critters have more star power than others. It helps to be cute like sea otters or monarch butterflies. Or gracefully dangerous like great white sharks and mountain lions. Or edible like abalone ...

There are a lot of different reasons why a clam might open its shell. My friend Jonathan Robinson, a marine ecologist at Washington State University, told me all about it. If we spent some time where ...