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The research vessel Noctiluca of the Northwest Fisheries Science Center in close proximity to an orca. The southern resident orcas, also known as the southern resident killer whales (SRKW), are the smallest of four communities of the exclusively fish-eating ecotype of orca in the northeast Pacific Ocean.
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.
The Yukon Harbor orca capture operation was the first planned, deliberate trapping of a large group of orcas (killer whales). 15 southern resident orcas were trapped by Ted Griffin and his Seattle Public Aquarium party on 15 February 1967, in Yukon Harbor on the west side of Puget Sound. [1]
Dolphin drive hunting, also called dolphin drive fishing, is a method of hunting dolphins and occasionally other small cetaceans by driving them together with boats, usually into a bay or onto a beach. Their escape is prevented by closing off the route to the open sea or ocean with boats and nets.
Initially named Walter the Whale, [144] [145] this orca was taken into captivity during the Yukon Harbor orca capture operation, which was the first planned, deliberate trapping of a large group of orcas (killer whales). 15 southern resident orcas were trapped by Ted Griffin and his Seattle Public Aquarium party on 15 February 1967, in Yukon ...
Killer whales usually hunt larger fish, such as salmon, individually or in small group of individuals. However, forage fish, such as herrings , are often caught using carousel feeding . The killer whales force the herrings into a tight ball by releasing bursts of bubbles or flashing their white undersides.
Each additional killer whale requires a pool with an additional 10,900 cubic feet (308 m 3) of volume. 9 CFR 3.104 also requires a minimum of 680 square feet (63 m 2) surface area per killer whale in Table IV (the example with a cylindrical tank 48 feet (15 m) in diametre for two whales provides 905 square feet (84.1 m 2) of surface area per ...
In June 1965, William Lechkobit discovered a 22-foot (6.7m) male orca in his floating salmon net that had drifted close to shore near Namu, British Columbia.The orca was sold for $8,000 to Ted Griffin, owner of the Seattle Marine Aquarium; [2] [3] it ultimately cost Griffin much more to transport Namu 450 miles (720 km) south to Seattle.