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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, they are found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
Attacks by orcas, or killer whales, on boats in the Strait of Gibraltar are increasing. But why are these seemingly peaceful creatures becoming dangerous.
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 Iberian orca subpopulation lives in the coastal waters of the Iberian Peninsula and is genetically distinct from other orca populations in the Northeast Atlantic. [1] The orcas follow the seasonal migration of Atlantic bluefin tuna (Thunnus thynnus), their primary food source, gathering in the early spring in the Strait of Gibraltar ...
In the ocean food chain, large sharks generally only have to worry about keeping orcas at bay — but a new study suggests the apex predators may have to watch out for their own.. Researchers have ...
Offshore orcas feed on sharks and larger fish in deeper water still, rarely, if ever, coming close to the shore. The researchers collected examples and evidence of killer whales traveling even ...
While shark nets and drum lines share the same purpose, drum lines are more effective at targeting the three sharks that are considered most dangerous to swimmers: the bull shark, tiger shark and great white shark. [79] SMART drumlines can also be used to move sharks, which greatly reduces mortality of sharks and bycatch to less than 2%. [80]