Sharks and Rays Added to Famed Conservation List

The world-famous Zoological Society of London (ZSL) runs a conservation program focusing on species that represent a significant slice of unique evolutionary history. The Edge of Existence program works to identify the world’s most “Evolutionarily Distinct Globally Endangered” species — hence EDGE. EDGE is the only global conservation initiative focusing specifically on threatened species that represent a significant portion of unique evolutionary history. The program aims to highlight and protect some of our planet’s unique and interesting species that have few close relatives. Most [...]


Greenland Shark

  The Greenland shark (Somniosus microcephalus), also known as the gurry shark, or grey shark, or by the Kalallisut name eqalussuaq, is a large shark of the family Somniosidae (“sleeper sharks”). Greenland sharks are now the longest-living vertebrates known on Earth, scientists say. Researchers used radiocarbon dating to determine the ages of 28 of the animals, and estimated that one female was about 400 years old. The team found that the sharks grow at just 1cm a year, and reach sexual maturity at about the age of 150. The research is published in [...]