Author: Lorraine Wade

This study confirms that dodecyl sulfate is the most effective surfactant shark repellent, but it does not meet the Navy’s potency requirement for a nondirectional surrounding-cloud type repellent of 100 parts per billion (0.1. μg ml−1). Is there a shark repellent that works? ESDs aim to overwhelm a shark’s electro-sensory system. They emit electrical pulses […]

There are far more ridiculous things out there that average a greater number of deaths each year than shark attacks. In Africa it is estimated that an average of 2,900 people are killed by hippos each year. Which animal is more dangerous hippo or a shark? Hippos. You might not have guessed this, but hippos […]

While sharks are attracted to electromagnetic pulses produced by potential prey animals, the electronic field emitted by the Shark Shield does not attract sharks to the device, so would not increase the risk of attracting sharks to the vicinity of the user. Are shark shields effective? While Shark Shield can deter a shark from attacking, […]

Dolphins and sharks do not get along. So, a fight between a shark and a dolphin will most likely be won by the shark. On the other hand, lone sharks often stay away from groups of dolphins, while the groups would attack any lone shark that comes in their path. Why are sharks afraid of […]

A single tooth is worth an average of $300! Shark teeth have built-in cavity protection. How much is a shark’s tooth worth? Megalodon shark teeth can be valuable depending on their size. Fossil website FossilEra allows people to buy and sell megalodon teeth, and while some examples can go for a few hundred dollars, others, […]

Pet Shark Names Inspired by Water Wave. Davey Wavey. Waverly. Riptide. Ripley. Glitter. Sparkle. Aqua. What is the most popular shark name? 9 Of The Most Famous & Popular Shark Species The Great White Shark. The Ragged Tooth Shark. The Tiger Shark. The Nurse Shark. The Whale Shark. The Bull Shark. The Hammerhead Shark. The […]

Sharks risk being driven to extinction due to overfishing, with almost 100 million killed each year, scientists have warned. What will happen to the sharks if we over fish? Some – like sharks and rays – reproduce more slowly than others, making them more vulnerable to fishing pressure. If we kill sharks more quickly than […]

While overfishing has greatly depleted some shark populations overseas, U.S. shark fisheries are some of the most sustainable in the world. Is it ethical to eat shark? The Science of Eating Sharks According to both the FDA and the EPA, the answer is no. As one of the longest-living marine animals, sharks consume many smaller […]

Fish fingers (British English) or fish sticks (American English) are a processed food made using a whitefish, such as cod, hake, haddock, shark or pollock, which has been battered or breaded. What do fish fingers contain? Important nutrients found in our fish fingers include protein, iodine, selenium and Vitamin B-12, all of which help to […]

A summer season of shark attacks can leave many beaches around the world empty, but the likelihood that the average person will die from a shark attack is relatively low. In fact, sharks don’t even place in the top 10 deadliest animals to humans. What’s the deadliest animal on earth? MosquitosList Source: CNET Animal Humans […]

Shark tattoos represented protection against enemies in Polynesian cultures. They also represented protection for seamen and the dangers of the deep waters. Hammerhead shark is mainly known to be the protector of people, so it’s not rare that this shark was commemorated a lot in tattoo designs. What is the meaning of a hammer head […]

Yay for things happening like they’re supposed to! Sometimes though the adult toothadult toothPermanent teeth or adult teeth are the second set of teeth formed in diphyodont mammals.https://en.wikipedia.org › wiki › Permanent_teeth Can a human get shark teeth? The Beyond 3000 Dental Clinic in London’s Harley Street is offering patients a pair of regenerative dental […]

Sharks and crocodilianscrocodiliansCrocodilians range in size from the Paleosuchus and Osteolaemus species, which reach 1–1.5 m (3 ft 3 in – 4 ft 11 in), to the saltwater crocodile, which reaches 7 m (23 ft) and weighs up to 2,000 kg (4,400 lb), though some prehistoric species such as the late Cretaceous Deinosuchus were even […]

The tourists in South Carolina, U.S., were left shocked when they witnessed a shark circling and then biting an alligator in a tense standoff. The incident happened near a dock on Hilton Head Island, Fox News reported. Has an alligator ever fought a shark? A report in a magazine titled The Fishing Gazette, published on […]

Bull sharks have been known to kill alligators and crocodiles but the opposite can also happen alligators and crocodiles can kill bull sharks. In effect they kill each other. They also feed off dead marine life together. Can alligators eat sharks? They have found evidence gators eat nurse sharks, lemon sharks, bonnetheads and rays, a […]

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. How do sharks pee? Sharks urinate continuously Their urine is actually absorbed by their flesh, where the urea is used to keep their scale-like dermal denticles […]

TIL that sharks dont have a urinary system and excrete urea through their skin. After catching a shark it needs to be bled quickly to rid the shark of the urea in the bloodurea in the bloodBlood urea nitrogen (BUN) is a medical test that measures the amount of urea nitrogen found in blood. The […]

Current estimates have bull sharks responsible for 95 non-fatal and 26 fatal attacks on humans, all of which were listed as “unprovoked”. Tiger sharks are statistically more dangerous than bull sharks, with 102 non-fatal and 36 fatal attacks recorded. Who would win bull shark versus tiger shark? If compared, a bull shark has a bite […]

The Deep Blue. The Deep Blue is the largest great white shark ever caught on camera by marine biologists and scientists. Deep Blue is 20-foot long (six meters), eight feet high (2.5 meters), and weighs 2.5 tons (2,268 kilograms). This massive creature has razor-sharp teeth and huge fins. What is the biggest shark ever photographed? […]

Marine biologist Michael Domeier also claims to have seen specimens possibly larger than Deep Blue while conducting studies of the great white shark off the coasts of Mexico and California. And there are almost certainly larger sharks no one has ever seen or documented before lurking out there. What is the biggest blue shark? The […]