Publications

The CITES appendix II-Listing of mako sharks

The CITES appendix II-Listing of mako sharks

The CITES appendix II-Listing of mako sharks — Revisiting counter arguments Nikolas Sellheim ABSTRACT: At the 18th Conference of the Parties of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) in August 2019, shortfin and longfin mako sharks were listed on Appendix II. This listing now requires CITES parties

The giant devil ray is not giant, but it is the only spinetail devil ray

The giant devil ray is not giant, but it is the only spinetail devil ray

The giant devil ray Mobula mobular (Bonnaterre, 1788) is not giant, but it is the only spinetail devil ray Notarbartolo di Sciara, G., Stevens, G. & Fernando, D. ABSTRACT: Mobula mobular, a mobulid species once considered a Mediterranean Sea endemic, has received its common name “giant devil ray” based on repeated misidentifications of oceanic manta

Identifying the source populations supplying the international trade of a critically endangered coastal shark

Identifying the source populations supplying the international trade of a critically endangered coastal shark

DNA Zip‐coding: identifying the source populations supplying the international trade of a critically endangered coastal shark A. T. Fields, G. A. Fischer, S. K. H. Shea, H. Zhang, K. A. Feldheim, D. D. Chapman ABSTRACT: There is an urgent need for population‐specific trade information for overexploited sharks, as international trade regulations are becoming an important

The Economic Value of Shark and Ray Tourism in Indonesia

The Economic Value of Shark and Ray Tourism in Indonesia

The Economic Value of Shark and Ray Tourism in Indonesia and Its Role in Delivering Conservation Outcomes Putu Liza Kusuma Mustika, Muhammad Ichsan, Hollie Booth ABSTRACT: As a hotspot of species diversity and fishing pressure, Indonesia is a global priority for the conservation of sharks, rays and their cartilaginous relatives (herein “sharks”). The high value

Methylmercury levels in commercially harvested spiny dogfish from off the coast of massachusetts

Methylmercury levels in commercially harvested spiny dogfish from off the coast of massachusetts

Methylmercury levels in commercially harvested spiny dogfish (squalus acanthius) from off the coast of massachusetts George A. Maynard, Zofia Baumann ABSTRACT: Spiny Dogfish are small sharks that are harvested for seafood, primarily off the Eastern Seaboard of the United States. For the purposes of establishing seafood consumption advisories with regards to methylmercury (MeHg) content, the

Implications of life history uncertainty when evaluating status in the Northwest Atlantic population of white shark

Implications of life history uncertainty when evaluating status in the Northwest Atlantic population of white shark

Implications of life history uncertainty when evaluating status in the Northwest Atlantic population of white shark (Carcharodon carcharias) Heather D. Bowlby, A. Jamie F. Gibson ABSTRACT: To effectively protect at‐risk sharks, resource managers and conservation practitioners must have a good understanding of how fisheries removals contribute to changes in abundance and how regulatory restrictions may

Chondrichthyans as an umbrella species-complex for conserving South African biodiversity

Chondrichthyans as an umbrella species-complex for conserving South African biodiversity

Chondrichthyans as an umbrella species-complex for conserving South African biodiversity GJ Osgood, ME McCord, JK Baum ABSTRACT: Conservation surrogates, such as umbrella and flagship species, could help focus South Africa’s limited resources for research and management and enhance the conservation gains from marine protected areas (MPAs). Sharks, rays and chimaeras (Chondrichthyes), which are charismatic and

Using fisheries data to model the oceanic habitats of juvenile silky shark

Using fisheries data to model the oceanic habitats of juvenile silky shark

Using fisheries data to model the oceanic habitats of juvenile silky shark (Carcharhinus falciformis) in the tropical eastern Atlantic Ocean Jon Lopez, Diego Alvarez-Berastegui, Maria Soto, Hilario Murua ABSTRACT: Investigating the relationship between species and environmental conditions is key for the correct management of highly migratory large pelagic species like silky shark (Carcharhinus falciformis). This

Vision in sharks and rays: Opsin diversity and colour vision

Vision in sharks and rays: Opsin diversity and colour vision

Vision in sharks and rays: Opsin diversity and colour vision Nathan S.Hart ABSTRACT: The visual sense of elasmobranch fishes is poorly studied compared to their bony cousins, the teleosts. Nevertheless, the elasmobranch eye features numerous specialisations that have no doubt facilitated the diversification and evolutionary success of this fascinating taxon. In this review, I highlight

Occurrence of the Young Thresher Shark Alopias superciliosus in the Northeastern Mediterranean Sea

Occurrence of the Young Thresher Shark Alopias superciliosus in the Northeastern Mediterranean Sea

Occurrence of the Young Thresher Shark Alopias superciliosus Lowe, 1841 (Lamniformes: Alopiidae) in the Northeastern Mediterranean Sea Deniz AYAS, Hasan Deniz AKBORA, Burak Ali ÇİÇEK ABSTRACT: The Bigeye Thresher Shark Alopias superciliosus Lowe, 1841 is one of the largest shark species found in the Pacific, Atlantic, and Indian oceans. They also have started to be

Growth trajectories of prenatal embryos of the frilled shark

Growth trajectories of prenatal embryos of the frilled shark

Growth trajectories of prenatal embryos of the deep sea shark Chlamydoselachus anguineus (Chondrichthyes) A. López‐Romero Faviel, Klimpfinger Claudia, Tanaka Sho, Kriwet Jürgen ABSTRACT: Chlamydoselachus anguineus, Garman 1884, commonly called the frilled shark, is a deep sea shark species occurring up to depths of 1300 m. It is assumed to represent an ancient morphotype of sharks (e.g.,

Male mate choice in the spot-tail shark Carcharhinus sorrah

Male mate choice in the spot-tail shark Carcharhinus sorrah

Male mate choice in the spot-tail shark Carcharhinus sorrah: are males choosy or opportunistic? Dareen Almojil ABSTRACT: Male mate choice has been documented in different taxa including insects, lizards, fish, birds and mammals. However, in sharks, male mate choice is not clearly reported but field observations suggest that it is probable. In this study, I

Near equal compressibility of liver oil and seawater minimises buoyancy changes in deep-sea sharks and chimaeras

Near equal compressibility of liver oil and seawater minimises buoyancy changes in deep-sea sharks and chimaeras

Near equal compressibility of liver oil and seawater minimises buoyancy changes in deep-sea sharks and chimaeras Imants G. Priede, Rhoderick W. Burgass, Manolis Mandalakis, Apostolos Spyros, Petros Gikas, Finlay Burns, Jim Drewery ABSTRACT: Whereas upper ocean pelagic sharks are negatively buoyant and must swim continuously to generate lift from their fins, deep-sea sharks float or

First record of the marbled ray from Greece

First record of the marbled ray from Greece

First record of the marbled ray, Dasyatis marmorata (Elasmobranchii: Dasyatidae), from Greece (central Aegean Sea) Archontia Chatzispyrou, Chrysoula Gubili, Maria Laiaki, Danai Mantopoulou-Palouka, Stefanos Kavadas ABSTRACT: Currently, seven dasyatid species have been described in the Mediterranean Sea: Bathytoshia lata, Dasyatis marmorata, Dasyatis pastinaca, Dasyatis tortonesei, Himantura uarnak, Pteroplatytrygon violacea and Taeniura grabata. Papaconstantinou (2014) listed

Comparative anatomy of the clasper of catsharks

Comparative anatomy of the clasper of catsharks

Comparative anatomy of the clasper of catsharks and its phylogenetic implications (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) Karla D. A. Soares ABSTRACT: The presence of claspers is one of the main characteristics of the cartilaginous fishes, but its variations across taxa have received limited use in shark systematics and have generally been neglected in descriptions of species. Clasper