Blackmouth catshark (Galeus melastomus). YouTube / marineinstituteIRL Researchers have discovered a rare shark school about 200 nautical miles from the…
The message was made at INFOMAR Seabed Mapping Seminar in Kinsale on Thursday, BreakingNews.ie reports.
The discovery was made in July during the recent SeaRover survey of Marine Institute’s Removable Vehicle (ROV) Holland 1, which was used on board the ILV Granuaile.
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A large number of ova was called sea fringes, filmed on the seabed at a depth of 750 meters.
A large school of Blackmouth catshark (Galeus melastomus) was present on the site, and it is thought that the eggs are of this kind. Also observed was a second, more unusual and lonely species, Sailfin roughshark (Oxynotus paradoxus), which may have fed on the egg, although the researchers said they did not observe this.
Both species are found in the International Union for Conservation of Nature (IUCN) “Red” List of Endangered Species. Ireland is required to monitor deep sea sharks under the Marine Strategy Framework Directive, The Irish Times reports.
The hawk room was observed in one of Ireland’s six special conservation areas (SACs) designated under the EU Habitats Directive for Annex 1 Reefs
Scientists said that such a high concentration of ova is “rarely registered and indicates that women can gather in this area on the seabed to lay their eggs “.
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David Sullivan, INFOMAR and Chief Scientist on the SeaRover Survey (Sensitive Ecosystem Analysis and ROV Exploration of Reef habitat) said that the nursery was of a scale “not previously documented in Irish waters.”
“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 ecosystems function in Ireland’s biologically sensitive area, “he said.