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Understanding shark-related cognitive vulnerability and its role in shark diving
Understanding shark-related cognitive vulnerability and its role in shark diving: implications for conservation Xiaodi Yan, Maria Knight Lapinski, Meredith Gore, Lindsay Neuberger, Kate Grayson-Sneed ABSTRACT: Negative perceptions and vulnerable feelings about sharks have been one of the greatest barriers to effective shark conservation efforts. This study used a self-report survey of young adults in a
The evolution and development of shark denticles
Teeth outside the mouth: the evolution and development of shark denticles Rory L. Cooper, Ella F. Nicklin, Liam J. Rasch, Gareth J. Fraser ABSTRACT: Vertebrate skin appendages are incredibly diverse. This diversity, which includes structures such as scales, feathers, and hair, likely evolved from a shared anatomical placode, suggesting broad conservation of the early development
First report of a sleeper shark in the western Caribbean
First report of a sleeper shark (Somniosus sp.) in the western Caribbean, off the insular slope of a coral atoll Devanshi Kasana, Hector Daniel Martinez, Omar Faux, Neri Monzon, Elio Guerra, Demian D. Chapman ABSTRACT: A sleeper shark (Somniosus sp.) was captured over the insular slope at Glover’s Reef, a coral atoll in Belize. The
Distribution and population structure of the smooth-hound shark across the Canarian archipelago
Distribution and population structure of the smooth-hound shark, Mustelus mustelus (Linnaeus, 1758), across an oceanic archipelago: Combining several data sources to promote conservation Fernando Espino, José Antonio González, Néstor E Bosch, Francisco J Otero-Ferrer, Ricardo Haroun, Fernando Tuya ABSTRACT: Sharks play a key role in the structure and functioning of marine ecosystems. More ecological information
Seasonal habitat use and residency of scalloped hammerhead and Galapagos sharks off Japan
First descriptions of the seasonal habitat use and residency of scalloped hammerhead (Sphyrna lewini) and Galapagos sharks (Carcharhinus galapagensis) at a coastal seamount off Japan David M. P. Jacoby, Yuuki Y. Watanabe, Tre Packard, Mark Healey, Yannis P. Papastamatiou, Austin J. Gallagher ABSTRACT: BackgroundThe Northwestern Pacific is a data-poor region for studies into the movements
Occurrence and distribution of persistent organic pollutants in the liver and muscle of Atlantic blue sharks
Occurrence and distribution of persistent organic pollutants in the liver and muscle of Atlantic blue sharks: Relevance and health risks Juan Muñoz-Arnanz, Alice Bartalini, Luis Alves, Marco FL. Lemos, Sara C. Novais, Begoña Jiménez ABSTRACT: Blue shark score among the most abundant, widely distributed and worldwide consumed elasmobranchs. In this work contents of PCBs, PCDD/Fs
Length-weight and length-length relationships for eight shark species from Indonesian waters
Length-weight and length-length relationships for eight shark species from Indonesian waters Wanwan Kurniawan, Selvia Oktaviyani, Suparmo, Fahmi ABSTRACT: Length-weight and length-length relationships (LWRs and LLRs) for eight species of sharks were estimated using fish specimens caught in commercial fishery during 2018–2021 and landed at three fishing ports (Tanjung Luar Fish Landing Port-Lombok, Muncar Coastal Fishing
Conservation potential of international trade regulations for coastal sharks
Two thirds of species in a global shark fin trade hub are threatened with extinction: Conservation potential of international trade regulations for coastal sharks Diego Cardeñosa, Stanley K. Shea, Huarong Zhang, Gunter A. Fischer, Colin A. Simpfendorfer, Demian D. Chapman ABSTRACT: One third of chondrichthyan species (sharks, rays, and chimeras) are threatened with extinction, mainly
Effect of body size, feeding ecology and maternal transfer on mercury accumulation of vulnerable silky shark
Effect of body size, feeding ecology and maternal transfer on mercury accumulation of vulnerable silky shark Carcharhinus falciformis in the eastern tropical pacific Zezheng Li, Heidi R. Pethybridge, Yi Gong, Feng Wu, Xiaojie Dai, Yunkai Li ABSTRACT: The silky shark Carcharhinus falciformis is a large pelagic species distributed in the global oceans and was recently
An Automated Framework Based on Deep Learning for Shark Recognition
An Automated Framework Based on Deep Learning for Shark Recognition Nhat Anh Le, Jucheol Moon, Christopher G. Lowe, Hyun-Il Kim, Sang-Il Choi ABSTRACT: The recent progress in deep learning has given rise to a non-invasive and effective approach for animal biometrics. These modern techniques allow researchers to track animal individuals on a large-scale image database.
Blackmouth catshark as a sentinel of plastic waste on the seabed
Ask the shark: blackmouth catshark (Galeus melastomus) as a sentinel of plastic waste on the seabed Alice Sbrana, Alessandro Cau, Davide Cicala, Simone Franceschini, Tommaso Giarrizzo, Maria Flavia Gravina, Alessandro Ligas, Giulia Maiello, Marco Matiddi, Antonio Parisi, Paolo Sartor, Mario Sbrana, Umberto Scacco, Tommaso Valente, Claudio Viva, Tommaso Russo ABSTRACT: The presence of plastic waste
DNA Barcoding and Species Delimitation for Dogfish Sharks
DNA Barcoding and Species Delimitation for Dogfish Sharks Belonging to the Squalus Genus (Squaliformes: Squalidae) Ariza, A.A.; Adachi, A.M.C.L.; Roque, P.; Hazin, F.H.V.; Vianna, M.; Rotundo, M.M.; Delpiani, S.M.; de Astarloa, J.M.D.; Delpiani, G.; Oliveira, C.; Foresti, F.; Cruz, V.P. ABSTRACT: The Squalus genus comprises a group of small demersal sharks occurring circumglobally, popularly known
Morphological pattern of the dermal denticles of the Southern sawtail catshark
Morphological pattern of the dermal denticles of the Southern sawtail catshark Galeus mincaronei Soto, 2001 Marioxis Macías-Cuyare, María Cristina Oddone ABSTRACT: Dermal denticles cover the skin of sharks for protection and may have additional functions, depending on the environment. The aim of the present study was to analyze the morphological pattern of dermal denticles across
The Australian Shark-Incident Database for quantifying temporal and spatial patterns of shark-human conflict
The Australian Shark-Incident Database for quantifying temporal and spatial patterns of shark-human conflict Madeline Riley, Phoebe Meagher, Charlie Huveneers, Jacob Leto, Victor M. Peddemors, David Slip, John West, Corey J. A. Bradshaw ABSTRACT: We describe the Australian Shark-Incident Database, formerly known as the Australian Shark-Attack File, which contains comprehensive reports of 1,196 shark bites that
Greenpeace Report: Hooked on Sharks
Published on 17 Jul, 2022 at 17:06 in Documents / PDF, Front Page, Publications | Viewed times | No Comments
HOOKED ON SHARKS:THE EU FISHING FLEETS FUELLING THE GLOBAL SHARK TRADE Published by Greenpeace UK and Greenpeace SpainJuly 2022 Main findings EU distant water fleets from Portugal and Spain are deliberately targeting juvenile (baby) shark breeding grounds. The EU, along with the Spanish and Portuguese governments, have both consistently resisted attempts to improve the management