The rare sailfin roughshark was also captured on camera. Marine Institute IRL Drone footage of a rare shark garden, found…
Marine Institute IRL
The films showed a high concentration of unprocessed shark eggs along with swarms of blackmouth catsharks, which indicates that the eggs themselves were of the same species. 19659006] The discovery was made during the last survey of Marine The Institute’s remote-controlled vehicles Holland 1 as part of the INFOMAR program, a joint venture between the Marine Institute (MI) and the Geological Survey of Ireland jointly funded by the Irish Government and EU European Sea and Fish Fund. The aim of INFOMAR is to create “integrated mapping products of the physical, chemical and biological properties of the seabed in the immediate area”.
Marine Institute IRL
This shark tree was found during a three week study of “Searover” (Sensitive Ecosystem Analysis and ROV Exploration of Reef habitat), which took place in July.
“This discovery shows the importance of documenting sensitive marine habitats and will give us a better understanding of the biology of these beautiful animals and their ecosystem function in Ireland’s biologically sensitive area,” said David Sullivan, chief researcher at Searover- investigation.
“It was incredible,” he continued, speaking to The Guardian, “Real David Attenborough’s Things. This is a great biological find and a story of this greatness would have been on the Blue Planet if they knew it” he said. “Very, very little is known globally about deep sea shark schools.”
The eggs were laid on dead coral skeletons. According to the above video, coral reefs can give refuge to newborn sharks.
In addition to the huge number of blackmouth catsharks, the drones managed to capture images of the rare Sailfin roughshark, a species that could possibly be there to feed the eggfalls.
The Searover survey was the second of three planned investigations. The team hopes to go back next year in an attempt to get a picture of the egg closure.
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