Chris Mah

Dr. Christopher Mah is one of the world's experts in the evolution and biology of the Asteroidea aka starfishes or sea stars. His research has taken him to Antarctica, Australia, New Zealand, and the Aleutian Islands where he has participated in numerous deep-sea cruises. His research includes deep-sea submersible dives in the Hawaiian Islands, off the Bahamas, and the Gorda Ridge in the North Pacific Ocean. Dr. Mah has described nearly 2 dozen new species of starfish and authored numerous papers on starfish diversity and evolution. Dr. Mah is originally from San Francisco, CA, received his PhD from the University of Illinois and has been a researcher in the Department of Invertebrate Zoology since 2005. He writes the Echinoblog, a blog which specializes in the Echinodermata, which includes sea stars, sea urchins, brittle stars, sea cucumbers, feather stars and other spiny skinned animals.

The Invisible Loss: The Impacts of Oil You Do Not See

A tiny larval (baby) starfish. Credit: Dr. Allison J. Gong, UC Santa Cruz Since late April, the world has watched a devastating oil spill from a BP drilling rig spread throughout the Gulf of Mexico and become one of the...

A Plague of Sea Stars

Scientists have been studying why populations of crown-of-thorns sea stars ( Acanthaster planci ) have mushroomed in recent decades. Coral reefs can suffer when the sea star's numbers explode; the echinoderm has a healthy...