March, 2016

NSW: Surfer attacked by shark at Kiama

NSW: Surfer attacked by shark at Kiama

Media Release NSW Police Force 30. March 2016 ————————- Man injured in shark attack – Lake Illawarra Emergency services have responded to reports of a man who was attacked by a shark at Kiama this evening. Shortly after 7pm today (Wednesday 30 March 2016) a 22-year-old Kiama Downs man was surfing in the ocean off

Histological and morphological aspects of reproduction in the sandbar shark in the U.S. south-eastern Atlantic Ocean and Gulf of Mexico

Histological and morphological aspects of reproduction in the sandbar shark in the U.S. south-eastern Atlantic Ocean and Gulf of Mexico

Published online on 29. March 2016 Histological and morphological aspects of reproduction in the sandbar shark Carcharhinus plumbeus in the U.S. south-eastern Atlantic Ocean and Gulf of Mexico A. N. Piercy, D. J. Murie, J. J. Gelsleichter ABSTRACT : The reproduction of the sandbar shark Carcharhinus plumbeus in the U.S. south-eastern Atlantic Ocean including the

Where have the largest whale sharks gone?

Where have the largest whale sharks gone?

MEDIA STATEMENT The University of Western Australia (UWA) 23. March 2016 ———————– Researchers from The University of Western Australia and the Australian Institute of Marine Science (AIMS) have raised concerns about the whereabouts of the world’s biggest whale sharks after finding that the largest sharks observed in recent years were smaller than those recorded more

Error and bias in size estimates of whale sharks

Error and bias in size estimates of whale sharks

Published on 23. March 2016 Error and bias in size estimates of whale sharks: implications for understanding demography Ana M. M. Sequeira, Michele Thums, Kim Brooks, Mark G. Meekan ABSTRACT : Body size and age at maturity are indicative of the vulnerability of a species to extinction. However, they are both difficult to estimate for

Biology of angel sharks and sawsharks caught in south-eastern Australian trawl fisheries and the NSW shark-meshing program

Biology of angel sharks and sawsharks caught in south-eastern Australian trawl fisheries and the NSW shark-meshing program

Published online on 24. March 2016 Biology of angel sharks (Squatina sp.) and sawsharks (Pristiophorus sp.) caught in south-eastern Australian trawl fisheries and the New South Wales shark-meshing (bather-protection) program V. Raoult, V. Peddemors, J. E. Williamson ABSTRACT : Two species of angel shark (Squatina australis, S. albipunctata) and two species of sawshark (Pristiophorus nudipinnis,

Reproductive biology of Urotrygon microphthalmum (Batoidea: Urotrygonidae) from north-eastern Brazil

Reproductive biology of Urotrygon microphthalmum (Batoidea: Urotrygonidae) from north-eastern Brazil

Published online on 23. March 2016 Reproductive biology of Urotrygon microphthalmum (Batoidea: Urotrygonidae) from north-eastern Brazil, tropical west Atlantic Ocean J. Santander-Neto, M. L. G. Araújo, R. P. Lessa ABSTRACT: The reproductive biology of Urotrygon microphthalmum was studied based on specimens caught as by-catch in shrimp (Litopenaeus schmitti, Xiphopenaeus kroyeri, Farfantepenaeus subtilis and Farfantepenaeus brasiliensis)

Evidence that St. Helena island is an important multi-use habitat for whale sharks

Evidence that St. Helena island is an important multi-use habitat for whale sharks

Published on 21. March 2016 Evidence that St. Helena island is an important multi-use habitat for whale sharks, Rhincodon typus, with the first description of putative mating in this species Elizabeth Clingham, Judith Brown, Leeann Henry, Annalea Beard, Alistair D Dove ABSTRACT : Preliminary observations of whale shark behavioural ecology are presented from St. Helena,

Reef manta ray life history and demography: is it really all about survival?

Reef manta ray life history and demography: is it really all about survival?

Published on 21. March 2016 Reef manta ray life history and demography: is it really all about survival? Isabel M Smallegange​, Isabelle BC van der Ouderaa, Yara Tibiriçá ABSTRACT: Background. The trade in gill plates of devil and manta rays has increased greatly over the last two decades. The resulting increased mortality, in addition to

Shark bytes: some sharks react more to stress, with potential impacts for humans

Shark bytes: some sharks react more to stress, with potential impacts for humans

Press Release Macquarie University, Sydney, Australia 22. March 2016 ———————- Macquarie University researchers have discovered that some Port Jackson sharks have a greater reaction to stressful situations due to a feature of their brain; a discovery with important implications for when wild sharks come into contact with humans. The study, published in Behavioural Brain Research,

Laterality strength is linked to stress reactivity in Port Jackson sharks

Laterality strength is linked to stress reactivity in Port Jackson sharks

Published online on 02. March 2016 Laterality strength is linked to stress reactivity in Port Jackson sharks (Heterodontus portusjacksoni) Evan E. Byrnes, Catarina Vila Pouca, Culum Brown ABSTRACT : Cerebral lateralization is an evolutionarily deep-rooted trait, ubiquitous among the vertebrates and present even in some invertebrates. Despite the advantages of cerebral lateralization in enhancing cognition

Trophic Ecology of a Predatory Community in a Shallow-Water, High-Salinity Estuary

Trophic Ecology of a Predatory Community in a Shallow-Water, High-Salinity Estuary

Published online on 16. March 2016 Trophic Ecology of a Predatory Community in a Shallow-Water, High-Salinity Estuary Assessed by Stable Isotope Analysis Ashley L. Shaw, Bryan S. Frazier, John R. Kucklick, Gorka Sancho ABSTRACT: Estuaries serve as habitats and nurseries for many recreationally and commercially important fishes, often contributing recruits to adult populations that remain

DNA barcoding reveals species composition of sharks and rays in the Indian commercial fishery

DNA barcoding reveals species composition of sharks and rays in the Indian commercial fishery

Published online on 28. February 2016 DNA barcoding reveals species composition of sharks and rays in the Indian commercial fishery K. K. Bineesh, A. Gopalakrishnan, K. V. Akhilesh, K. A. Sajeela, E. M. Abdussamad, N. G. K. Pillai, V. S. Basheer, J. K. Jena, Robert D. Ward ABSTRACT: DNA barcoding was successfully used for the

Study Shows Sharkskin Increases Drag by 50 Percent

Study Shows Sharkskin Increases Drag by 50 Percent

Press Release Stony Brook University 15. March 2016 ———————– Stony Brook, NY, March 15, 2016 – The nature of sharkskin with its riblets – the micro-grooved structures found in aircraft wings, wind turbine blades, and Olympic-class swimsuits – seems to suggest a design for speed and streamlined swimming. But a new study led by Stony

Direct numerical simulation of sharkskin denticles in turbulent channel flow

Direct numerical simulation of sharkskin denticles in turbulent channel flow

Published online on 15. March 2016 Direct numerical simulation of sharkskin denticles in turbulent channel flow A. Boomsma, F. Sotiropoulos Abstract: The hydrodynamic function of sharkskin has been under investigation for the past 30 years. Current literature conflicts on whether sharkskin is able to reduce skin friction similar to riblets. To contribute insights toward reconciling

Turkey: Large Sixgill Shark caught in Sea of Marmara