Epaulette sharks reproduce effortlessly, without using much energy. The epaulette sharks, also known as “walking sharks,” do not have a rise in energy use during their reproduction cycle, according to ...

New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs without any measurable rise in energy use. Subscribe to our newsletter for ...

The spadenose shark (Scoliodon laticaudus) is one of the smallest members of the requiem shark family and found in shallow tropical and subtropical waters of the Indian and western Pacific Oceans. The ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An endangered species of shark has been observed having "virgin births" ...

Here’s what you’ll learn when reading this story: But a new study, published in the journal Biology Open, makes an even more puzzling discovery about this fascinating shallow-sea creature. Energy is ...

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Urea—the main component of human urine—plays an important role in the timing of maturation of sharks, rays and other cartilaginous fish. A new study by researchers with the Sea Around Us initiative at ...

Walking sharks use their fins to move along the seafloor, allowing them to navigate shallow reefs, tide pools, and tight spaces where swimming isn’t practical. These sharks live in warm Indo-Pacific ...

A Louisiana aquarium welcomed a baby shark born under mysterious conditions, the aquarium said Friday. The swell shark, nicknamed Yoko, hatched on Jan. 3, according to the Shreveport Aquarium. What ...