Sharks Current Events

Sharks Current Events, Sharks News Articles.
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Research reveals that sharks have individual personalities
A new study indicates that sharks of the same species can have different personalities. (2016-05-27)

From Jack the Ripper to great white sharks
What do great white sharks have in common with serial killers? Refined hunting skills, according to a paper published today in the Zoological Society of London's Journal of Zoology. (2009-06-21)

Great hammerhead sharks swim on their sides to reduce energy expenditure
This study revealed that great hammerhead sharks (Sphyrna mokarran) swim on their sides at roll angles of approximately 60°. This helps them to avoid sinking and minimizes their energy expenditure while swimming. (2016-10-04)

Fifty years of decline in Queensland's coastal sharks
Queensland's coastal shark numbers are continuing a 50-year decline, in sharp contradiction of suggestions of 'exploding' shark populations, according to an analysis of Queensland Shark Control Program data. University of Queensland and Griffith University researchers analyzed data from the program, which has used baited drumlines and nets since 1962 to minimize human-shark interactions, and now spans 1,760 km of the Queensland coastline. (2018-12-13)

Humane strategy reduces shark attacks
A simple and humane technique may be an effective strategy to reduce human encounters with sharks without harming populations of threatened shark species. (2014-08-04)

Elasmobranches getting slammed
Researchers analyzed four years of catch data from Tanjung Luar -- a fishing village specifically targeting sharks -- to identify catch abundance and seasonality of vulnerable or endangered species, and found that catch per unit effort (CPUE) of sharks and rays from 2014 to 2017 fluctuated but was not significantly different. (2019-06-06)

Shark tracking reveals impressive feats of navigation
Some shark species are able to navigate to specific locations up to 50 km away, a new study published in the British Ecological Society's Journal of Animal Ecology has found. Re-analyzing tracking data from tagged sharks, ecologists found that while some species such as blacktip reef sharks swim in a pattern known as a (2011-03-01)

Lonesome no more: White sharks hang with buddies
White sharks form communities, researchers have revealed. Although normally solitary predators, white sharks (Carcharodon carcharias) gather in large numbers at certain times of year in order to feast on baby seals. (2019-10-21)

Study finds sharks get bad rap when viewed with ominous background music
In a new study, researchers at Scripps Institution of Oceanography at the University of California San Diego found that the background music in shark documentaries affects viewers' perceptions of sharks. The researchers suggest that ominous background music could hinder shark conservation efforts. (2016-08-04)

Ancient bony fish forces rethink of how sharks evolved
Sharks' non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise. (2020-09-07)

Unraveling the jaw-dropping goblin shark
Scientists have revealed goblin sharks' 'slingshot feeding' mechanism, which involves high-speed protrusion of their jaws. (2016-08-10)

Winner of the longest-lived vertebrate award goes to...
Greenland sharks live at least as long as 400 years, and they reach sexual maturity at the age of about 150, a new study reports. (2016-08-11)

Shark skin microbiome resists infection
No evidence of infection found in the bacterial community around shark wounds. (2019-11-04)

University of Queensland scientist warns against shark culling
A University of Queensland scientist has cautioned against culling sharks because the long term ecological impact cannot be predicted. (2015-08-19)

Sharks longer in the tooth than we thought
A James Cook University researcher has found that sharks and rays live a lot longer than we thought -- some twice as long as previously estimated. (2017-09-28)

Baby tiger sharks eat songbirds
Tiger sharks have a reputation for being the 'garbage cans of the sea' -- they'll eat just about anything, from dolphins and sea turtles to rubber tires. And in a new study, scientists just discovered that baby tiger sharks eat birds. And not seabirds like gulls or pelicans -- familiar backyard birds like sparrows, woodpeckers, and doves. In short: Baby sharks, doo doo doo doo doo doo They eat birds, doo doo doo doo doo doo (2019-05-21)

Shark research produces the unexpected
In a surprise result, James Cook University scientists have found female blacktip reef sharks and their young stay close to shore over long time periods, with adult males only appearing during the breeding season. (2016-02-25)

Researchers discover deep sea sharks are buoyant
In a study published recently, scientists from the University of Hawai'i -- Mānoa and University of Tokyo revealed that two species of deep-sea sharks, six-gill and prickly sharks, are positively buoyant -- they have to work harder to swim downward than up, and they can glide uphill for minutes at a time without using their tails. (2015-06-18)

'Jaws' may help humans grow new teeth, shark study suggests
A new insight into how sharks regenerate their teeth, which may pave the way for the development of therapies to help humans with tooth loss, has been discovered by scientists at the University of Sheffield. (2016-02-12)

Sharks: Bad creatures or bad image?
Historically, the media have been particularly harsh to sharks, and it's affecting their survival. The results of a Michigan State University study, appearing in the current issue of the journal Conservation Biology, reviewed worldwide media coverage of sharks -- and the majority isn't good. (2012-11-07)

Biggest fish in the sea are girls
Female whale sharks grow more slowly than males but end up being larger, research suggests. (2020-09-16)

Reef sharks prefer bite-size meals
Sharks have a reputation for having voracious appetites, but a new study shows that most coral reef sharks eat prey that are smaller than a cheeseburger. (2016-02-22)

Basking sharks exhibit different diving behavior depending on the season
Tracking the world's second-largest shark species has revealed that it moves to different depths depending on the time of year. (2019-09-26)

Great white sharks
Captain Chris Fallows from Apex Expeditions collaborated with University of Miami scientists Dr. Neil Hammerschlag and Austin Gallagher, to explore the behaviors of Great white sharks scavenging on dead whales in South Africa. The team documented as many as 40 different sharks scavenging on a carcass over the course of a single day, revealing unique social interactions among sharks. (2013-04-10)

Sharks almost gone from many reefs
A massive global study of the world's reefs has found sharks are 'functionally extinct' on nearly one in five of the reefs surveyed. (2020-07-22)

AGU: A 'shark's eye' view: Witnessing the life of a top predator
Instruments strapped onto and ingested by sharks are revealing novel insights into how one of the most feared and least understood ocean predators swims, eats and lives. (2014-02-27)

Biggest fish in the ocean receives international protection
Tuna and other fish species may congregate around whale sharks, but new rule reduces the chance that the giant sea creatures could get caught in nets targeting those species. (2015-01-20)

Between shark and ray: The evolutionary advantage of the sea angels
Angel sharks are sharks, but with their peculiarly flat body they rather resemble rays. An international research team led by Faviel A. López-Romero and Jürgen Kriwet of the Institute of Palaeontology has now investigated the origin of this body shape. The results illustrate how these sharks evolved into highly specialised, exclusively bottom-dwelling ambush predators and thus also contribute to a better understanding of their threat from environmental changes. The study is published in the journal Scientific Reports. (2020-08-04)

Sharks worth more in the ocean than on the menu
Sharks are worth more in the ocean than in a bowl of soup, according to researchers from the University of British Columbia. (2013-05-30)

Whale sharks do the math to avoid that sinking feeling
They are the largest fish species in the ocean, but the majestic gliding motion of the whale shark is, scientists argue, an astonishing feat of mathematics and energy conservation. In new research published today in the British Ecological Society's journal Functional Ecology marine scientists reveal how these massive sharks use geometry to enhance their natural negative buoyancy and stay afloat. (2010-11-24)

Insights on whale shark populations and evidence for their historic rise and recent decline
In the largest study on the genetics of whale sharks conducted to date, researchers found that the world's biggest fish likely exist in two distinct populations with minimal connectivity between the Indo-Pacific and the Atlantic Ocean. The findings suggest that mixing of whale sharks between the Indian and Atlantic was and is rare. (2014-08-04)

Planned protection area would help basking sharks
A proposed Marine Protected Area off Scotland's west coast would help basking sharks, researchers say. (2017-02-27)

Disappearing act of world's second largest fish explained
Researchers have discovered where basking sharks -- the world's second largest fish -- hide out for half of every year, according to a report published online on May 7 in Current Biology, a Cell Press publication. The discovery revises scientists' understanding of the iconic species and highlights just how little we still know about even the largest of marine animals, the researchers said. (2009-05-07)

Curtin researchers to hide our splashes from sharks
Curtin University researchers will attempt to (2014-01-21)

Are sharks color blind?
Sharks are unable to distinguish colors, even though their close relatives rays and chimeras have some color vision, according to new research by Dr. Nathan Scott Hart and colleagues. Their study shows that although the eyes of sharks function over a wide range of light levels, they only have a single long-wavelength-sensitive cone type in the retina and therefore are potentially totally color blind. Hart and team's findings are published online in Springer's journal Naturwissenschaften -- The Science of Nature. (2011-01-18)

Sharks' 'bite force' researched by University of Tampa biologist
Dan Huber, University of Tampa assistant professor of biology, is analyzing the (2007-08-23)

UIC biologists use DNA to study migration of threatened whale sharks
A team led by University of Illinois at Chicago biologist Jennifer Schmidt used DNA tagging to show that whale sharks, the world's largest fish, show little genetic variation across widely separated tropical oceans, underscoring the need for wider protection against over-fishing. (2009-04-07)

Tracking the deep sea paths of tiger sharks
This release focuses on the importance of oceanic coral reefs for these important marine predators. (2014-01-08)

Walking sharks discovered in the tropics
Four new species of tropical sharks that use their fins to walk are causing a stir in waters off northern Australia and New Guinea. (2020-01-20)

Life in the shallows becomes a trap for baby sharks
Baby reef sharks tolerate living in the sometimes-extreme environments of their nurseries -- but these habitats face an uncertain future which may leave newborn sharks 'trapped'. (2020-07-21)

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