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These rays tend to have a width of 9.8 to 11. Giant manta rays can measure up to 23-feet long, have a 29-foot wingspan, and weigh over 5,000 pounds. Individuals can reach lengths of between 4 and 7m (13 and 23ft) long. Project Manta engages scientists, industry partners and the general public in a comprehensive study of manta rays that will provide baseline knowledge for the long-term sustainability of the species, while supporting economic and social benefits through eco-tourism. The reef manta ray, however, is much smaller, though it’s still one of the largest fish you’ll find in the ocean. The giant oceanic manta ray is, as their name suggests the worlds largest species of ray.
MANTA RAY SIZE DRIVERS
In particular this project aims to investigate connectivity and movement between populations of manta rays within Australia and neighbouring regions generate accurate estimates of population size understand key biological and environmental drivers of population dynamics and use this information to provide management recommendations for manta ray populations in the region. Project Manta is a multidisciplinary research collaboration focusing on the population ecology and biology of manta rays within Australian waters. Giant oceanic manta rays can have a wingspan of up to 22 feet wide. Mature males are up to 10 feet the females tend to be the larger ones. Manta rays are the world’s largest rays. There are currently two recognised species, the reef manta ray ( Manta alfredi) and the giant oceanic manta ray ( Manta birostris), reaching wingspans of 5 and 7m respectively. These iconic species have worldwide distributions. In Australian waters, manta rays are found around northern Australia from Shark Bay in Western Australia to central NSW in eastern Australia. As harmless giants of the oceans, they attract considerable public interest and are the subject of globally important ecotourism industries. They are also targeted for fisheries in various parts of the world and as a consequence are listed as Vulnerable to Extinction in the IUCN Red List of Threatened Species. In Hawaiian waters, we encounter manta ray pups with a wingspan of 2-3 feet and reef manta adults up to 12-14 feet. Student support Show Student support sub-navigationĮngagement Show Engagement sub-navigation The beautifully simple, effective, and low-cost anchor system represents a major breakthrough in anchoring technology with a multitude of applications across the utility, civil construction, and marine anchoring markets.
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Facilities Show Facilities sub-navigation Manta Ray earth anchors are driven, tipping plate soil anchors used to resist tensile loads up to 20 tons.