Rights: Public domain Published 17 September 2009 Size: 400 KB

Stalk-eyed mud crabs are endemic to New Zealand.  They live mostly in the low-tide zone and cannot survive out of the water for more than 8 hours. They feed on the nutritious mud that they live in. Crabs are a popular food source for many fish, stingrays and seabirds.
Pictured is the New Zealand half crab, Petrolisthes elongates.