New depth records and novel feeding observations of three elasmobranchs species in the Eastern Red Sea

Frappi, Sofia, Williams, Collin, Pilcher, Nicolas, Rodrigue, Mattie, Marshall, Paul, Pieribone, Vincent, Qurban, Mohammed, and Duarte, Carlos M. (2023) New depth records and novel feeding observations of three elasmobranchs species in the Eastern Red Sea. Frontiers in Marine Science, 10. 1270257.

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Understanding the vertical distribution of elasmobranch species and associated ecological dynamics can be a crucial component of developing effective conservation strategies, particularly in light of their global population decline. Previous studies have primarily focused on horizontal extent and movement patterns of elasmobranchs, with limited knowledge about their vertical distribution. This knowledge gap stems from limited access to technological advancements and reliance on surface data from fisheries operations. Today, advancements in observing platforms such as electronic tracking, remotely operated vehicles and submersibles, and reductions in costs for drop cameras and BRUVs, allow for direct observation of animals at great depths, facilitating improved understanding of their ecological and trophic niches. This study reports new global depth records for three elasmobranch species observed in the Saudi Arabian Red Sea (Carcharhinus altimus, Rhinobatos punctifer, Iago omanensis), also presenting ethological evidence on Iago omanensis feeding behavior. Our findings have significant implications for conservation strategies and the development of targeted conservation measures. The provisioning of data on new depth ranges allows places like NEOM to better manage and protect deep sea habitats, due to the presence of species occurring at those depths.

Item ID: 81095
Item Type: Article (Research - C1)
ISSN: 2296-7745
Keywords: biological observations, coastal ecosystems, deep-sea observations, discoveries, elasmobranchs, extension range, Red Sea
Copyright Information: © 2023 Frappi, Williams, Pilcher, Rodrigue, Marshall, Pieribone, Qurban and Duarte. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Date Deposited: 04 Mar 2024 23:03
FoR Codes: 31 BIOLOGICAL SCIENCES > 3103 Ecology > 310305 Marine and estuarine ecology (incl. marine ichthyology) @ 50%
41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410401 Conservation and biodiversity @ 50%
SEO Codes: 18 ENVIRONMENTAL MANAGEMENT > 1802 Coastal and estuarine systems and management > 180203 Coastal or estuarine biodiversity @ 100%
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