The biology and conservation status of the large hammerhead shark complex: the great, scalloped, and smooth hammerheads

AJ Gallagher, AP Klimley - Reviews in Fish Biology and Fisheries, 2018 - Springer
Hammerhead sharks are among the most intriguing yet imperiled groups of large sharks
globally. Until recently, our understanding of their biology, movements, diet, and life histories …

Are you really what you eat? Stomach content analysis and stable isotope ratios do not uniformly estimate dietary niche characteristics in three marine predators

JC Petta, ON Shipley, SP Wintner, G Cliff, ML Dicken… - Oecologia, 2020 - Springer
Calculation of dietary niche characteristics using stable isotopes has become a popular
approach to understand the functional role of taxa across food webs. An underlying …

Demographic Processes Underlying Subtle Patterns of Population Structure in the Scalloped Hammerhead Shark, Sphyrna lewini

HA Nance, P Klimley, F Galván-Magaña… - PLoS …, 2011 - journals.plos.org
Genetic diversity (θ), effective population size (Ne), and contemporary levels of gene flow
are important parameters to estimate for species of conservation concern, such as the …

Feeding ecology and trophic comparisons of six shark species in a coastal ecosystem off southern Brazil

H Bornatowski, RR Braga, V Abilhoa… - Journal of fish …, 2014 - Wiley Online Library
The diets of six shark species, Sphyrna lewini, Sphyrna zygaena, Carcharhinus obscurus,
Carcharhinus limbatus, Rhizoprionodon lalandii and Galeocerdo cuvier, were investigated …

Ontogenetic migration of a female scalloped hammerhead shark Sphyrna lewini in the Gulf of California

EM Hoyos-Padilla, JT Ketchum, AP Klimley… - Animal …, 2014 - Springer
Background Little information exists on the vertical and horizontal movements of juvenile
scalloped hammerhead sharks (Sphyrna lewini). Measurements of the sizes of juveniles …

Shark predation on cephalopods in the Mexican and Ecuadorian Pacific Ocean

F Galván-Magaña, C Polo-Silva… - Deep Sea Research …, 2013 - Elsevier
Pelagic predators such as sharks have been shown to be effective cephalopod samplers,
because they have high consumption rates and swimming speeds. The stomach contents of …

Monitoring threatened species with environmental DNA and open ecological data: Local distribution and habitat preferences of scalloped hammerhead sharks …

AM Budd, T Schils, MK Cooper, MB Lyons… - Biological …, 2023 - Elsevier
Evidence-based environmental management is urgently required to enable progress
towards global conservation commitments. To fill large-scale biodiversity knowledge gaps …

Mercury and Selenium in Muscle and Target Organs of Scalloped Hammerhead Sharks Sphyrna lewini of the SE Gulf of California: Dietary Intake, Molar Ratios …

ME Bergés-Tiznado, F Márquez-Farías… - Archives of …, 2015 - Springer
Selenium and mercury were evaluated in muscle, liver, kidney, brain, and the stomach
contents of juvenile scalloped hammerhead shark Sphyrna lewini. Se: Hg molar ratios were …

Distribution, bioaccumulation, and trace element transfer among trophic levels in the southeastern Gulf of California

DE Valladolid-Garnica, ME Jara-Marini… - Marine Pollution …, 2023 - Elsevier
Our understanding of the trophic transfer of pollutants in marine subtropical ecosystems
remains limited due to the complexity of their food webs. Thus, we aimed to evaluate Cd, Cu …

Ontogenetic feeding ecology of the scalloped hammerhead shark Sphyrna lewini in the Colombian Eastern Tropical Pacific

C Estupiñán-Montaño, F Galván-Magaña… - Marine Ecology …, 2021 - int-res.com
Changes in feeding habits during ontogeny show that organisms can present shifts in
foraging behavior during their life cycle, which can alter local trophic dynamics. Therefore …