Sea Snakes: Pacific 70, Atlantic 0

WHILE THERE ARE NEARLY 70 SPECIES OF SEA SNAKES in the Pacific and Indian Ocean basins, there are exactly none in the Caribbean and tropical Atlantic. Even though sea snakes almost certainly could prosper in the warm Caribbean tropics, their absence is a factor of timing, geography and ocean currents. “WHY ARE THERE NO SEA SNAKES IN THE ATLANTIC?  That was the question explored in an article in the journal Bioscience. Also, the article’s title. Unfortunately,

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Marine Iguanas – Unique to the Galapagos

  FAMOUS AS THE ONLY LIZARDS THAT SWIM IN THE OCEANS, marine iguanas (Amblyrhynchus cristatus) are found in only one place: the Galapagos Archipelago in the eastern Pacific off Ecuador. There are also three species of non-swimming land iguanas in the Galapagos. All the iguanas in the Galapagos are believed to have descended from a common ancestor that made its way to the islands from South America on rafts of vegetation, with A. cristatus splitting off some

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