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Orcas (or killer whales) are large, powerful aquatic apex predators. There have been incidents where orcas were perceived to attack humans in the wild, but such attacks are less common than those by captive orcas. [1] In captivity, there have been several non-fatal and four fatal attacks on humans since the 1970s. [2]
The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
Orcas in the Gulf of California appear to have gained special skills to hunt and kill the world’s largest fish, according to a new study.. Whale sharks, which grow up to 18m long, are known to ...
The vessels reporting interactions have been an average of 12 metres in length and were travelling, on average, at 5.93 knots, a speed easily matched by orcas. [1] Interactions between the orcas and vessels have occurred most frequently during the day, peaking around midday, and usually last for less than half an hour, though engagements up to ...
Orcas live in three different ecotypes, or classifications. Resident orcas stay close to the shore and feed primarily on salmon along the west coast of Canada and into the Pacific Northwest of the ...
One woman risked her life to swim with some of the most dangerous sea creatures in the world. Dressed in only a tiny costume with no diving gear whatsoever, ABC reports 38-year-old Hannah.
The majority of shark nets used are gillnets, which is a wall of netting that hangs in the water and captures the targeted sharks by entanglement. [6] The nets may be as much as 186 metres (610 ft) long, set at a depth of 6 metres (20 ft), have a mesh size of 500 millimetres (20 in) and are designed to catch sharks longer than 2 metres (6.6 ft) in length.
Her research on orca has been published in international scientific journals, since 1998, and many of these publications are available on the Orca Research Trust website. [ 3 ] In 2002 Visser's research was instrumental in the New Zealand Government's reclassification of New Zealand orcas from "Common" in the New Zealand Threat Classification ...