Author Archive

Reproductive biology aspects of Alopias pelagicus and A. superciliosus

Reproductive biology aspects of Alopias pelagicus and A. superciliosus

Reproductive biology aspects of Alopias pelagicus and A. superciliosus (Lamniformes: Alopiidae) in the Ecuadorian Pacific Briones-Mendoza J, Carrasco-Puig P, Toala-Franco D. ABSTRACT: The reproductive biology of thresher shark species of the Ecuadorian Pacific was analysed based on 1236 specimens of Alopias pelagicus (711 females and 525 males) and 354 of A. superciliosus (164 females and

Shark and ray research in India has low relevance to their conservation

Shark and ray research in India has low relevance to their conservation

Shark and ray research in India has low relevance to their conservation Trisha Gupta, Divya Karnad, Shruthi Kottillil, Sudha Kottillil, E.J. Milner Gulland ABSTRACT: With global biodiversity currently facing unprecedented losses, it is critical that resources are allocated and used effectively to mitigate these threats, especially in resource-limited tropical countries of the global south. Chondrichthyans

Regional variation in anthropogenic threats to Indian Ocean whale sharks

Regional variation in anthropogenic threats to Indian Ocean whale sharks

Regional variation in anthropogenic threats to Indian Ocean whale sharks Samantha D. Reynolds, Bradley M. Norman, Craig E. Franklin, Steffen S. Bach, Francesco G. Comezzi, Stella Diamant, Mohammed Y.Jaidah, Simon J. Pierce, Anthony J. Richardson, David P. Robinson, Christoph A. Rohner, Ross G. Dwyer ABSTRACT: Conservation and management of mobile marine species requires an understanding

Sharks, rays and chimaeras of the Seine and Unicorn seamounts

Sharks, rays and chimaeras of the Seine and Unicorn seamounts

Sharks, rays and chimaeras of the Seine and Unicorn seamounts (NE Atlantic Ocean) Mafalda FREITAS, Ricardo SOUSA, Pedro IDEIA, Madalena GASPAR, João DELGADO, Ana Luísa COSTA, Antonina dos SANTOS & Manuel BISCOITO ABSTRACT: Background Seamounts are underwater mountains which typically rise rather steeply at least several hundred meters above the deep-sea floor. These geological features

Performance of iSharkFin in the identification of wet dorsal fins from priority shark species

Performance of iSharkFin in the identification of wet dorsal fins from priority shark species

Performance of iSharkFin in the identification of wet dorsal fins from priority shark species Monica Barone, Frederik H. Mollen, Jenny L. Giles, Lindsay J. Marshall, Melanie Villate-Moreno, Carlotta Mazzoldi, Elisa Pérez-Costas, Jürgen Heine, Cástor Guisande González, ABSTRACT: The past decade has seen a considerable rise in international concern regarding the conservation status of sharks and

Generation of VNAR Libraries from Immunized Sharks

Generation of VNAR Libraries from Immunized Sharks

Generation of VNAR Libraries from Immunized Sharks and Selection of Target-Specific Clones Helen Dooley ABSTRACT: Cartilaginous fishes (sharks, skates, rays, and chimeras) are the most phylogenetically distant lineage relative to mammals in which somatically rearranging immunoglobulins (Igs or antibodies) have also been found. Alongside their conventional (heavy-light chain) isotypes, IgM and IgW, sharks produce the novel

A review of America’s batomorph anomalies

A review of America’s batomorph anomalies

Morphological abnormalities in seven American round ray specimens: A review of America’s batomorph anomalies Nicolás Roberto Ehemann, Francisco Javier García-Rodríguez, José De La Cruz-Agüero ABSTRACT: Although morphological abnormalities in several rays and skate species around the American continents have frequently mentioned, their numbers are unknown. The present work record morphological abnormalities in four Urotrygonidae species.

Sideway swimming behaviour by aggregating blacktip sharks in mid-water column

Sideway swimming behaviour by aggregating blacktip sharks in mid-water column

Sideway swimming behaviour by aggregating blacktip sharks (Carcharhinus limbatus) in mid-water column Weideli, O., Medd, H. ABSTRACT: N/A Mar. Biodivers. 51, 92 (2021). DOI: 10.1007/s12526-021-01242-4 SOURCE

Towards a new understanding of elasmobranch hearing

Towards a new understanding of elasmobranch hearing

Towards a new understanding of elasmobranch hearing Megan F. Mickle, Dennis M. Higgs ABSTRACT: Elasmobranchs are of important global conservation concern, however their hearing abilities, use of sound, and responses to anthropogenic noise pollution are all vastly understudied, despite noise pollution being an ever-increasing concern to global fish populations. This review focuses on the hearing

Shark Detection with Drones for Human Safety and Environmental Protection

Shark Detection with Drones for Human Safety and Environmental Protection

SharkSpotter: Shark Detection with Drones for Human Safety and Environmental Protection Nabin Sharma, Muhammed Saqib, Paul Scully-Power, Michael Blumenstein ABSTRACT: Unprovoked shark attacks are one of the major types of risks that threaten human’s lives in coast regions especially in tourist areas. Australia ranks behind only the USA in the number of unprovoked shark encounters

Shark Side of the Moon: Are Shark Attacks Related to Lunar Phase?

Shark Side of the Moon: Are Shark Attacks Related to Lunar Phase?

Shark Side of the Moon: Are Shark Attacks Related to Lunar Phase? Lindsay A. French, Stephen R. Midway, David H. Evans, George H. Burgess ABSTRACT: Animals across taxa have shown behaviors linked to moon phase (or the proxy of lunar illumination), and marine organisms are well-documented to calibrate certain activities with the moon. Few studies

Fisheries and Biological Aspects of Dusky Shark in Muncar Fishing Port

Fisheries and Biological Aspects of Dusky Shark in Muncar Fishing Port

Fisheries and Biological Aspects of Dusky Shark Carcharhinus obscurus (Lesueur, 1818) in Muncar Fishing Port, Banyuwangi, Indonesia Irsan, A. , Wijayanti, F. , Assuyuti, Y. M. & Yuneni, R. ABSTRACT: The high of catching intensity or overfishing of dusky whaler shark, Carcharhinus obscurus (Lesueur, 1818), has threatened its sustainability. Even though fisheries and biological aspects

Characterization of Halogenated Organic Compounds in Pelagic Sharks and Sea Turtles

Characterization of Halogenated Organic Compounds in Pelagic Sharks and Sea Turtles

Characterization of Halogenated Organic Compounds in Pelagic Sharks and Sea Turtles Using a Nontargeted Approach Aikebaier Renaguli, Sujan Fernando, Thomas M Holsen, Philip K Hopke, Douglas H Adams, George H Balazs, T Todd Jones , Thierry M Work, Jennifer M Lynch, Bernard S Crimmins ABSTRACT: Halogenated organic compounds (HOCs) in marine species collected from the

Shark bite survivors advocate for non-lethal shark mitigation measures in Australia

Shark bite survivors advocate for non-lethal shark mitigation measures in Australia

Shark bite survivors advocate for non-lethal shark mitigation measures in Australia Michael J. Rosciszewski-Dodgson, Giuseppe T. Cirella ABSTRACT: As the annual number of shark-related human casualties in Australia increases, there is a need for policymakers to grasp how policy is created in the discourse of shark bite incidences. This is discussed in relation to individuals

Eugenol and Lippia alba essential oils as effective anesthetics for the Amazonian freshwater stingray Potamotrygon wallacei

Eugenol and Lippia alba essential oils as effective anesthetics for the Amazonian freshwater stingray Potamotrygon wallacei

Eugenol and Lippia alba essential oils as effective anesthetics for the Amazonian freshwater stingray Potamotrygon wallacei (Chondrichthyes, Potamotrygonidae) Cristiano Lopes de Lima, Ruben Dario Morales-Gamba, Thiago Santana Malcher Neto, José Fernando Marques Barcellos, Berta Maria Heinzmann, Denise Schmidt, Bernardo Baldisserotto, Jaydione Luiz Marcon ABSTRACT: This study assessed the potential of eugenol and the essential oil