The World of Deep Sea Rays and Skates скачать в хорошем качестве

The World of Deep Sea Rays and Skates

Deep Sea Skates and Rays. While sharks have become rulers of the open ocean, the skates and rays have conquered the seabed in their place, making up the superorder Batoidea. With their distinct shape, skates and rays have become highly efficient predators of life beneath the sediment. Different species make use of different strategies. Bottom-dwelling species such as skates are often ambush predators, burying themselves in the sediment and lying motionless before snapping up passing creatures. This behaviour also protects the rays from being spotted by predators. In contrast, eagle rays and cow nose rays gather in graceful schools. To hunt, they dig invertebrates from the sediment using their prominent snouts or by beating their wings. Manta rays are truly pelagic, spending their lives in the open ocean and feeding in a very different way. 00:00 - An Introduction to Rays and Skates 01:09 - The Structure of Rays - General Body Plan 02:12 - The Structure of Rays - Dermal Denticles 02:36 - Hunting Methods - Ambush Predators 03:09 - Hunting Methods - Digging for Prey 03:29 - Hunting Methods - Filter Feeding (Manta Rays) 04:03 - Adaptations of the Manta Ray 04:45 - Hunting Methods - The Sawfish 04:47 - The Role of Rays - Bioturbation 05:37 - The Role of Rays - A Source of Prey 06:07 - Migrations - The Great Devil Ray Swarm 06:36 - Migrations - Taking to the Skies 07:27 - Rays of the Depths - Devil Rays 07:52 - Rays of the Depths - The Deepsea Skate 08:57 - Rays of the Depths - The Chimaera 09:30 - Conclusion - The Importance of Rays DEEP SEA HUB: https://naturalworldfacts.com/deep-se... Footage used is from various YouTube sources, the BBC, MBARI, NatGeo, the Ocean Exploration Institute and the Schmidt Ocean Institute, as well as other sources. Music Used: Industrial Music Box by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ Atlantean Twilight by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ Lost Frontier by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ The Light Within by the Westerlies Glacier by Patrick Patrikios #deepsea #wildlife #nature #documentary #ocean #marinebiology #science #biology Resources: https://www.earthtouchnews.com/oceans... https://oceana.org/marine-life/sharks... https://www.nhm.ac.uk/discover/the-sp...