Sharks

Do Sharks Make Noise?

Do Sharks Make Noise?

Sharks, on the whole, are silent predators. Gliding effortlessly through the water, it’s in their interests as ambush predators to keep quiet. These specialized hunters even have scales perfected to minimize the disturbance of the water they pass through. Sharks are also mostly solitary, meaning that they tend to live and hunt alone, not taking …

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Do Sharks Come Close to Shore?

Do Sharks Come Close to Shore?

Is anywhere in the water safe from sharks? The scariest part of the ocean might feel like somewhere right in the middle, thousands of miles from shore, with only the infinite blue deep beneath you and nowhere to hide… but if it’s any consolation, that’s the least likely place you’ll find a shark. If you …

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Do Great White Sharks Sleep?

Do Great White Sharks Sleep?

There’s a common misconception that all sharks have to keep moving to breathe. But many shark species are often seen resting in the corals, waiting for their turn to hunt. Most shark species breathe through a system of buccal pumping, which involves pushing oxygenated water across their gills with their mouths, allowing them to breathe …

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When are sharks most active?

When are sharks most active?

The rich diversity of sharks extends to more than just their size and shape. Sharks’ feeding patterns are another thing that makes these animals particularly unusual. Even when food is in abundance, many sharks will even hunt in shifts, allowing them to stay out of each other’s way. So, when are sharks most active? Most …

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Do sharks ever stop growing?

Do sharks ever stop growing?

Most animals you’re familiar with probably stop growing after a few years, around the time when they reach sexual maturity. Most mammals (maybe not all!) have genetic programming that puts a size limit on how far they’ll grow when they reach maturity. As usual, scientists have a name for it: it’s called determinate growth. Some …

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Why Do Sharks Attack Surfers?

Why do sharks attack surfers?

The main reason sharks attack surfers is because of a case of mistaken identity and the sharks’ natural sense of exploratory and curious nature. Assuming that we didn’t know why sharks attack people, we can at least rule out that it’s due to food. Most sharks consume about 0.5% to 3% of their body weight …

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Do Sharks Migrate?

Do sharks migrate?

Birds, buffalo, and butterflies are famous for their migratory habits. These are typically driven by the weather and can embark on phenomenal long-distance pilgrimages that literally span continents. The Arctic terns, for example, travel pole-to-pole for their migrations, and the tiny Northern Wheaters migrate all the way from Greenland and Canada to Africa and back! …

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Are There any Venomous Sharks?

Are There any Venomous Sharks?

The ocean presents many threats to swimmers and divers, not least of all drowning. But of all the dangerous animals in the water, the shark is the most iconic and feared. Something about a giant predatory fish really taps into our primal fears. However, large teeth aren’t the only thing to worry about. Many ocean …

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