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Does pollution harm sharks?

May 31, 2017

By Blaise Jones One of the key byproducts of human expansion are heavy metals. No, not Metallica. Cobalt, aluminum, chrome, lead, nickel, zinc, copper, cadmium and mercury (listed from least toxic to most toxic) are all seeping into our oceans as runoff […]

Can sharks get sick?

May 24, 2017

By Blaise Jones Sharks are amazingly resilient to disease. Research has indicated that sharks may be the first vertebrate animals on our planet to have developed the modern immune system and thus have had hundreds […]

What can people do to help sharks?

May 17, 2017

By Blaise Jones How can a single individual have any effect on something as huge as the ocean? The answer is: in many ways! The small things people do to help reduce our combined impact […]

Is it OK to eat sharks?

May 10, 2017

By Blaise Jones Sharks have been harvested and eaten all over the world throughout human history. Many cultures rely heavily on fishing as a way of life, shark fishing included. Sharks have been hunted traditionally […]

Are any sharks endangered?

May 3, 2017

By Blaise Jones Yes. Chondrichthyes (sharks, stingrays, and chimera) are one of the most endangered groups of vertebrate animals on the planet. According to the International Union for the Conservation of Nature (IUCN), all chondrichthyes […]

Are there any sharks without countershading?

April 19, 2017

By Blaise Jones Countershading is a very important part of what make sharks such efficient predators. However, not every shark shares this advantageous color pattern. Many species opt for a different approach. Bottom Dwellers Sharks […]

Are sharks good for the environment?

April 5, 2017

By Blaise Jones Sharks are apex predators; they sit atop of the food chain with no other animals regularly preying upon them. In fact, the only predatory threats that face an adult shark are carnivorous […]

Where are the most sharks in the world?

March 15, 2017

By Blaise Jones Sharks can be found all over the world with only a few exceptions. There are no sharks in the Southern Ocean, and sharks do not inhabit the deepest benthic depths of the […]

Do any sharks live in rivers, streams or lakes?

March 8, 2017

By Blaise Jones Sharks are incredibly ecologically-flexible animals. They can be found in every sea in the world, ranging from pole to pole. However, there are some places sharks do not frequent. Freshwater lake and […]

How do sharks navigate?

March 1, 2017

By Blaise Jones Sharks are masters of their environment. Every aspect of their physiology is designed to maximize their efficiency. That’s a good thing because the ocean is a tough place to live. Simply finding […]

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