Tag Archives: Sharks

Sharks may be Colour Blind

A paper in Naturwissenschaften by researchers from the Universities of Western Australia and Queensland claims that sharks may be colour blind. Whereas people have 3 cone types capable of receiving red, green or blue light, it seems that sharks may … Continue reading

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Why Threshers have Large Tails

Researchers have captured video footage of thresher sharks using their tails to swat smaller fish. This seems to be part of their hunting strategy. It might also explain why thresher sharks are often caught by their tails on long-lines. Thresher … Continue reading

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5m Hammerhead Caught off New South Wales

A sad picture of what must have been a hugely impressive hammerhead shark. It was apparently caught off New South Wales after attempting to eat a smaller shark that had been hooked earlier. Unfortunately the accompanying article from news.com.au doesn’t … Continue reading

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Great White Found Diving to 1200 metres

New Zealand’s National Institute of Water and Atmospheric  Research (NIWA), has been tagging great white sharks around Stewart and Chatham islands for the last 5 years. So far they have tagged 25 with tags that stay on for 6 – … Continue reading

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Great White Photos from the Guardian

This is a photo from the Guardian’s website. It is the first of a sequence of 5 of a great white shark investigating three divers in a cage in Mexico. Unfortunately they seem more interested in emphasising that one of … Continue reading

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Giant Shark Fossil Found in Kansas

Scientists have found the fossilized remains of a 10 metre long shark in Kansas. They found a jawbone and huge tooth plates, which they believe it used to crush large shellfish like giant clams. The shark is called Ptychodus mortoni, … Continue reading

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Juvenile Whale Shark Killed in Philippines

An 18 foot whale shark was found last week in Bahay Kambing, a cove in the municipality of Tingloy, by some divers, including several from Hong Kong. Its dorsal and pectoral fins had all been cut off and there were … Continue reading

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Whitiangi divers hassled by bronze whaler

Two cousins, diving at the Twins near Whitiangi in the North Island of New Zealand, were hassled by a 2 metre bronze whaler on Monday (15 Feb) afternoon. They were about 10 metres from their boat when the shark approached … Continue reading

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Caesarian by shark bite

In an Auckland aquarium visitors spotted four baby sharks spilling out of a wound in the side of  a pregnant female. The wound was caused by a bite from another shark. Staff removed the female and the four baby sharks, … Continue reading

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One third of oceanic shark species in danger of extinction

The International Union for Conservation of Nature (IUCN) has listed 64 species on their first ever red list for oceanic sharks. These include hammerheads, giant devil rays and porbeagles. Overfishing is getting the blame, and it is particularly problematic for … Continue reading

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Great white sharks’ seal hunting strategy

The BBC have an article on the strategies that great whites use when hunting seals. The sharks identify a location, an anchor point, and then search the surrounding area for prey. Researchers found that this anchor point did not necessarily … Continue reading

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More BBC shark videos

In addition to the basking shark video, the BBC has a few others that are worth a look. Specifically: Shark tagging off the west coast of Scotland Rare prickly shark captured off California. This is only the second time one … Continue reading

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