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lucy harrison

Threatened gentle giants: both species of manta ray added to the IUCN Red List

Conservation, marine science, Natural Science, ScienceNovember 14, 2011

Manta rays are true gentle giants; though they can grow more than 20 feet wide from wingtip to wingtip, they eat only plankton. Swimming with these animals is a rare thrill for SCUBA divers, and manta-viewing ecotourism is worth over $100 million each year. Like many species of sharks, manta rays grow slowly and reproduce […]

New research lists tuna species as threatened; will fisheries managers act?

Conservation, fisheries, marine science, Natural Science, ScienceJuly 14, 2011

Bluefin tuna have become a posterchild for the marine conservation movement. A single bluefin can sell for tens or even hundreds of thousands of dollars, which results in heavy fishing pressure. Conservationists and fisheries scientists have tried for years to get the fishing quota reduced. They tried to get  CITES protection for the bluefin. Citing […]

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