A new study has documented unexpected consequences following the decline of great white sharks from an area off South Africa. The study found that the disappearance of great whites has led to the emergence of sevengill sharks, a top predator from a different habitat. A living fossil, sevengill sharks closely resemble relatives from the Jurassic […]
SharkoFiles: Shortfin Mako
Undoubtedly, the shortfin mako sharks are among the most fascinating and attractive sharks in existence. One of the prominent attributes the sharks are well known for being their unique physical appearances. The shortfin mako sharks are distinguished from their counterparts due to their prominent coloration. They have colors ranging from deep purples to bright indigo […]
Whale shark diving in the Philippines
Donsol used to be a sleepy coastal town in Sorsogonóa province in the southernmost tip of Luzon. Nobody knows Donsol except for, of course, its local inhabitants until a few years ago when tourists from all over the world began to flock this remote place to get a look-see at the largest fish on earth: […]
Name a tagged mako shark for your Valentine
Valentine’s Day is almost here. If you’re stuck trying to find that perfect gift for your someone special, researchers at Nova Southeastern University’s Guy Harvey Research Institute may have just the thing: a tagged female mako shark swimming off the coast of North Carolina who is looking for a name. Just in time for Valentine’s Day, research scientists […]
Proposed law would protect Hawaii’s sharks, rays
Chair of the Senate Agriculture and Environment Committee Mike Gabbard and Representative Nicole Lowen, Chair of the House Environmental Protection and Energy Committee, have introduced proposed legislation that would offer greater protections to Hawaii’s sharks and rays. Under the proposal, it would be a misdemeanor “to knowingly capture, take, possess, abuse, or entangle any shark […]
How do shark repellents work?
Understandably there are skeptics in world of shark repellents. Some because the mechanisms can be difficult to understand. Some because, well, we’re talking about freakin’ sharks here! With 450+ million years of evolution behind them, sharks can seem like omnipotent apex predators. But they are just trying to survive like the rest of us. And […]
New shark-themed children’s book imparts lessons of friendship
Jo Ann Kain has completed her new book “Mr. Shark Makes New Friends”: an endearing opus that shares the one-of-a-kind comradeship between sea creatures despite their stark differences. Author Kain writes, “Cheb, Chub, and Shelby Turtle spend the whole day playing on the water, but to their surprise, they make a new friend in need […]
Company seeks support for personal electric shark deterrent device
Shark Shield Technology launched an Indiegogo campaign for its new the Guardian eSPEAR, the world’s first handheld electrical shark deterrent designed for diving, snorkeling and spearfishing. Shark Shield Technology is the world’s only scientifically proven and independently tested electrical shark deterrent technology. Ocean Guardian’s eSPEAR expands personal protection beyond surfers and divers by providing an […]
SharkoFiles: Greenland Shark
The Greenland sharks are known for their long life span. In fact, there is no known vertebrate that has a longer life span. The carbon dating of the nuclei in the Greenland shark eye lens indicates that the oldest Greenland shark may be over 500 years of age. Generally, Greenland sharks are slow swimmer with […]
Sharks facing even bigger predator in Cape Town
Large, predatory sharks occupy the top of ocean food chains, where they play important roles in maintaining diverse and healthy ecosystems. The loss of these predators can therefore have significant impacts on ecosystems. For a long time broadnose sevengill sharks have occupied the apex of the food chain alongside the more famous great white […]
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