The Scalloped hammerheads in Hawaii are modulating their behavior to keeptheir muscles warm enough for active hunting at depth.
Mediterranean white shark population dates back over three million years
Thanks to the most recent genomic technologies, researchers were able to sequence the mitochondrial DNA of a number of Mediterranean white sharks
Basking sharks maintain familial bonds over time
The study found basking shark groups consist of individuals more related to each other than the rest of the population
Hammerhead sharks can give virgin birth
By Susan Lawler, La Trobe University I was listening to Triple J on Tuesday afternoon when comedian David O’Doherty shared what he called a show stopping fact: female hammerhead sharks can produce baby hammerhead sharks without the benefit of a male. A lively discussion ensued, at the end of which the interviewer, known mysteriously as […]
Four new species of walking sharks discovered in Queensland
A 12-year study off northern Australia and New Guinea found four new species of walking shark, nearly doubling the known number of species in the area.
New study finds sharks are essentially colorblind
A new study found that cartilaginous fish such as sharks and rays are missing vital opsin genes, which can limit their range of visual sensitivity.
Acidic oceans are corroding the tooth-like scales of shark skin
Corrosion and weakening of the denticle surface could degrade the drag-reducing ridges, affecting the ability of these sharks to swim and hunt.
Indonesian whale sharks inadvertently consuming large amounts of plastic
A team of researchers from Australia, the U.S., Indonesia and New Zealand found that whale sharks off the coast of Indonesia were consuming an average 137 pieces of plastic per hour. By using nets fine enough to collect both plankton and very tiny bits of plastic to mimic the way mantas and whale sharks feed, […]
Ancient megashark species discovered in Kansas
A previously undiscovered shark species dating back over 90 million years ago was recently discovered in an ancient seabed in modern-day Kansas. The partial remains of the newly named Cretodus houghtonorum, which is believed to be nearly 20 feet in length, was discovered in the region known as the Western Interior Seaway in 2010 at […]
New amphipod species discovered in mouth of whale shark
In 2017, Japanese scientists found hundreds of shrimp-like creatures in an unusual place: on the gill rakers of a female whale shark, the world’s largest fish, living in a fish preserve off the island of Okinawa. The researchers scuba-dived in the preserve, then using a suction pump collected some of the crustaceans. Back in the […]
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