- ... that although the Pacific sand crab can only crawl and burrow backwards (pictured), it can also tread water?
- ... that Praunus flexuosus, the first mysid shrimp ever to be described, may have been transported to North America during World War II?
- ... that Calcinus tubularis is one of only two known species of hermit crab whose males and females inhabit different types of shell?
- ... that Petrolisthes eriomerus, when trying to escape from a predator, can cast off limbs as a diversion, with the claws of a cast limb still gripping vigorously after separation?