Mark Gibson is a divemaster, social scientist, and independent writer living in Washington, DC. He can be found blogging at Breaching the Blue. You can find Mark on twitter @breachingblue. The following post is cross-posted at his blog here. —————————————— How many marine species are there? It is a question that stumped even the . . . → Read More: New Innovative Estimate of Total Marine Species![New Innovative Estimate of Total Marine Species avatar]()
