Uncommon Sighting Of Tropical False Killer Whales Off Orange County Coast

Uncommon Sighting Of Tropical False Killer Whales Off Orange County Coast

The entirety of the Northwestern Hawaiian Islands population vary, with the exception of the world inside eleven km round Kauaʻi and Niʻihau is an overlap zone between Northwestern Hawaiian Islands and pelagic false killer whales. Fishery interactions occur when false killer whales take bait and catch off fishing lines. This action can result in incidental take—unintentional hooking and/or entanglement—in addition to severe damage and/or death.

false killer whale

False killer whales are so named because the form of their skulls, not their exterior appearance, is just like that of killer whales. Reaching as much as 6 meters in length, the species behaves much more like a smaller dolphin, swimming quickly, sometimes leaping, and typically approaching whale watching vessels. We collect observations of whales and dolphins following line-transect protocols. Observers constantly seek for animals utilizing 25×150 “huge-eye” binoculars to scan a hundred and eighty° forward of the ship. When they spot whales or dolphins, the visible team identifies the species and each observer independently estimates the variety of animals in the group.


The primary Hawaiian Islands insular false killer whale is the one false killer whale population protected under the ESA. Conducting area work to deal with false killer whales’ spatial and temporal habitat use. The oldest estimated age of false killer whales is sixty three years for females and fifty eight years for males. NOAA Fisheries is dedicated to conserving and protecting false killer whales. Our scientists and companions use a variety of revolutionary techniques to study and protect this species.

  • There are two ‘social clusters’ or groups of false killer whales off the north-eastern shoreline, totalling much less than200 animals.
  • It has been recognized to experience the wakes of large boats, which may put it susceptible to hitting the boat propeller.
  • They feed totally on fish and squid, based on Capt. Dave’s Dolphin and Whale Safari.
  • A pod close to Chile had a 15 km/h (9.3 mph) cruising pace, and false killer whales in captivity were recorded to have a maximum pace of 26.9–28.8 km/h (16.7–17.9 mph), much like the bottlenose dolphin.
  • There is severe concern, in regards to the false killer whale population round the principle Hawaiian islands, which was thought to quantity between one hundred fifty and 200 people in 2012, demonstrating a decline since ,17.
  • Providing targeted outreach to specific fishers, boaters, and tour operators to mitigate or scale back interactions with false killer whales; enhance species identification to enhance analysis; and enhance public reporting of strandings.

& Thornton, M. False killer whale Pseudorca crassidens mass stranding at Long Beach on South Africa’s Cape Peninsula, 2009. Baird, R. W. False Killer whale, Pseudorca crassidens in Encyclopedia of Marine Mammals Vol. Baird, R. W. False Killer whale, Pseudorca crassidensin Encyclopedia of Marine Mammals(eds W. Perrin, B. Wursig, & J.G.M. Thewissen) . Strandings– they’re susceptible to mass strandings, thought to be caused by elements like noise air pollution. Their shut social bonds may trigger them to comply with each other into danger. To monitor ocean noise, NOAA has deployed acoustic monitoring stations throughout U.S. waters that together make up the Ocean Noise Reference Station Network.

False Killer Whales Want Your Assist

It has been recognized to ride the wakes of large boats, which could put it at risk of hitting the boat propeller. In the Eastern Pacific, the false killer whale has been known to target smaller dolphins throughout tuna purse-seine fishing operations; there are instances of attacks on sperm whales , and one occasion in opposition to a calf of a humpback whale . Killer whales are identified to prey on the false killer whale, and it also presumably faces a threat from giant sharks, although there are not any documented cases. The false killer whale travels in large pods, evidenced by mass strandings, usually consisting of 10 to 20 members, though these smaller teams could be part of larger teams; it is highly social and can travel in teams of greater than 500 whales. These large groups might break up into smaller household teams of 4 to six members while feeding. Members stick with the pod long-term, some recorded as 15 years, and, indicated by mass strandings, share strong bonds with different members.

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