![]() Giant manta rays reach sexual maturity fairly late in their lives, giving birth to just one pup every few years in the wild. “At this pivotal time, recognising their economic value may help to encourage the protection of this enigmatic and now endangered species.” Stephanie Venables, a Senior Scientist and manta ray expert at MMF. “Interactions with manta rays are highly sought after by dive and snorkel tourists globally and contribute millions of dollars to tourism economies each year, particularly in developing nations,” said Dr. In an attempt to encourage more comprehensive conservation strategies for giant manta populations and to curb the expanding trade in their fins and gill plates, the ray was listed on two of the most important global conservation treaties, the Convention on Migratory Species (CMS) in 2011 and the Convention on the International Trade in Endangered Species (CITES) in 2013. This relatively new Asian-based trade seems to be impacting the giant manta more than other species of manta ray, with the unsustainable harvesting decimating their populations around the world. The ever-increasing demand for their body parts has fuelled both existing and emerging target fisheries. ![]() Giant manta rays are targeted for their gill plates, which they use to filter feed on small zooplankton from the water column. Their current status is a direct result of unsustainable pressure from fishing, which now threatens to destabilise their populations across the globe.” “When we first assessed manta rays in 2003 there simply was not enough information on the species to determine their conservation status and they were listed as ‘Data Deficient’, but on each of the subsequent assessments, their conservation status increased steadily from Near-Threatened, to Vulnerable and now to Endangered. Andrea Marshall, a co-founder of the Marine Megafauna Foundation (MMF) who lead-authored this newest assessment for the IUCN and has been involved in their assessments since 2003. “The giant manta ray is a classic example of a species that is quickly succumbing to human-induced pressures,” said Dr. At this stage, 30% of sharks and rays are now threatened with extinction. The giant manta ray now joins over 16,000 endangered species to be assessed with this serious threat level. ![]() The International Union for the Conservation of Nature (IUCN) has announced that the conservation status of the giant manta ray (or oceanic manta ray) has been changed from Vulnerable to Endangered on the Red List of Threatened Species.
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