Shark feeding habits are helping scientists identify marks on human bones found in the ocean. By analyzing shark scavenging behavior, the University of Florida’s C.A. Pound Human Identification Laboratory identified which marks were left behind by sharks, what species of sharks made the marks and where the feedings might have occurred. Most research focuses on […]
New England cold snap leaves sharks in shock
Three thresher sharks were found dead Massachusetts’s Cape Cod Bay this week as temperatures plunged following a cold front this week that caused sub-freezing temperatures across most of the country. Experts believed that the sharks died due to cold shock. Temperatures in the area were as low as five degrees. The three thresher sharks were all […]
Researchers pull in 500-year old Greenland shark
Scientists collecting specimens during a research expedition in the North Atlantic Ocean caught what is estimated to be a 500-year-old Greenland shark, believed to be the oldest living vertebrate ever discovered. Based on its overall length of 18 feet, experts used its annual rate of growth of 1 cm per year along with radiocarbon dating […]
New study reveals secret life of whale sharks
QUEENS LAND, AUSTRALIA (PRpoint Release) — Whale shark researchers have marked International Whale Shark Day by solving a long-standing mystery about where the world’s largest fish go during the Australian spring and summer. In a world-first, researchers from The University of Queensland and the non-profit ECOCEAN have tracked and recorded a full return migration of whale sharks […]
Captive shark in Australia gives virgin birth
A female zebra shark in a Townsville, Australia aquarium gave birth last year to a litter of three pups despite not having been exposed to a male of the species in over four years. Testing, revealed this week in the journal, Scientific Reports, show that the contain only the mother’s DNA and that the baby […]
Fun fact: Sharks don’t urinate like other fish
The urinary system of a shark includes a bladder and urinary tract but unlike bony species of fish, sharks do not expel that urine through the traditional urinary system. Sharks need to maintain a steady level of soluble salts in their body at all times to maintain buoyancy and avoid dehydration from seawater running over their […]
Florida Aquarium starved shark to death, according to complaint
A complaint filed with the 13th Judicial Circuit State Attorney and the Hillsborough County Pet Resource Center alleged that an adult nurse shark that died at Tampa’s Florida Aquarium in November was due to human neglect. The complaint was brought forth by People for the Ethical Treatment of Animals Foundation on Thursday after a former biologist who worked for […]
Extremely rare nurse shark spotted in Caicos
A diver off the coast of the Turks and Caicos Islands captured video of an extremely rare creature — a nurse shark with a dotted color scheme. Diver Nate Madden said the shark’s unusual coloring was a result of leucism, a condition that causes the partial loss of pigmentation in the skin, leading to […]
The Sixth Sense of Sharks
Sharks possess an extraordinary ability to navigate and hunt in water, largely due to their advanced auditory and sensory systems. Although they lack visible external ears, their hearing is exceptionally acute, enabling them to detect a wide range of sounds that are imperceptible to humans. Embedded on either side of a shark’s head are two […]
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