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Shark predation

BorneanTiger Offline
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#16
( This post was last modified: 11-08-2019, 10:40 AM by BorneanTiger )

2 tiger sharks (10 feet) and a saltwater croc (12 feet) feasting on a dead whale, and I wonder what that would mean for their common rival, the orca (killer whale):



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BorneanTiger Offline
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#17
( This post was last modified: 12-11-2019, 05:01 PM by BorneanTiger )

- Wife identifies wedding ring on missing Scottish tourist's hand found in a tiger shark's stomach near La Reunion Island in the Indian Ocean: https://www.huffingtonpost.co.uk/entry/w...32xe28NkAp

- Great white shark punctures kayak, and flips the kayaker into the water, about 2 miles (3.2 km) off Leffingwell Landing in Cambria, California, October 25: https://www.trackingsharks.com/great-whi...a-kayaker/

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BorneanTiger Offline
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#18

Hammerheads:






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BorneanTiger Offline
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#19

Brutality of sharks, including the great white: https://wildfact.com/forum/topic-great-w...3#pid95443
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#20
( This post was last modified: 11-30-2019, 11:30 PM by BorneanTiger )

If you thought that no great white would attack boats like how Jaws did, then think again:




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BorneanTiger Offline
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#21

Sharks are predators, but that doesn't stop other fish from preying on them: https://wildfact.com/forum/topic-grouper...nephelinae
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BorneanTiger Offline
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#22
( This post was last modified: 12-11-2019, 04:02 PM by BorneanTiger )

In November and December, a number of incidents involving blacktip sharks were recorded off the coast of Florida, southeastern USA:

- A shark bit a surfer's foot off: https://www.newsweek.com/blacktip-shark-...gs-1471557

- A blacktip knocked a 7-year-old boy off his surfboard: https://edition.cnn.com/2019/12/02/us/sh...index.htmlhttps://www.perthnow.com.au/news/sharks/...881403357z

- David Attenborough, while fiming for Seven Worlds, One Planet, shocked as blacktips go on a killing spree against mullets, not so far away from beachgaers: https://www.express.co.uk/showbiz/tv-rad...planet-spt

Credit: BBC

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BorneanTiger Offline
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#23

The above post is now for blacktips:

- A 57-year-old Australian man survives a shark attack on his arm off the coast of Exmouth in the west: https://www.express.co.uk/news/world/121...tia-canada

- Great white lunges at a cage with divers off the coast of Guadalupe Island, Baja California, northwest Mexico, gets its head stuck between the bars, and then bleeds to death as it tried to escape: https://www.mirror.co.uk/news/world-news...r-21065078https://www.dailymail.co.uk/news/article...shark-lung

Credit: @arturooislas / CEN

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Romania Spalea Offline
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#24

@BorneanTiger :

About #20: after having written "Jaws", Peter Benchlex became a strong supporter of the sharks and deeply regretted his famous book and the whole success he had (Thanks to Spielberg too of course).
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Romania Spalea Offline
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#25

Only a big shark (grat white or tiger shark) is able to do that...

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Apex Titan Offline
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#26
( This post was last modified: 08-09-2021, 12:50 AM by Apex Titan )

Shark predation on adult Humpback whales

Predation and attacks from sharks on live adult humpback whales has been verified through necropsies on fresh carcasses off Hawaii (Mazzuca 1999). Several of these reports concluded that fatal shark attacks were the final cause of death. However, it was assumed that these whales were most likely in a moribund state from entanglement by floating debris leaving them in a weakened state prior to the fatal attacks. An investigation at the Abrolhos Bank in eastern Brazil found that while 22% of all humpback whale carcases were fed on by large sharks, an additional three live whales were also observed to have bite scars inflicted by large sharks (Bornatowski et al. 2012).

Other notable reports of live predation events are by white sharks on pygmy sperm whale Kogia breviceps off the Californian coast (Long and Jones 1996) and on humpback whales in Western Australia (Holyoake 2012). 

https://parks.des.qld.gov.au/__data/asse...sharks.pdf



Giant squid on the menu for great white sharks

A new battle of the deep between great white sharks and giant squid could be going on right now, new research shows.


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Feeling peckish? Great white sharks are taking on giant squid

Tagged sharks were recorded travelling hundreds of kilometres to an area of the Pacific Ocean regarded as an ecological desert a€“ except for the squid, which can grow up to 14m (46ft). Once they found the spot 2,600km (1,600miles) off the Californian coast, they stopped their migration and started deep, frequent dives. The area also attracts sperm whales, which are known to feed on squid.

The month-long study by Californian marine ecologist Michael Domeier also showed sharks were far from the opportunistic coastal predator seen in films such as Jaws. “They are not a coastal shark that comes out to the middle of the ocean. They are an ocean shark that comes to the coast,” he said.

https://metro.co.uk/2010/03/10/great-whi...id-159787/


Domeier and a team followed 22 of his subjects to an area 1,500 miles east of Kauai, Hawaii—a place lacking any prey suitable for these sharks but waters that did contain sperm whales, known to feed on large squid. That led Domeier to conclude that the great whites were eating large squids, including the legendary giant squids, and the predators they attract.

https://www.audubon.org/news/great-white...ant-squids
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Apex Titan Offline
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#27

A possible 35 ft great white shark that attacked a pygmy blue whale:







Part of the blue whale's body that was chomped off by the giant shark:


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Shark teeth marks:


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The great white shark that was responsible for this attack and had a bite radius this massive, would be approaching the size of a whale:


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Canada wildtrails Offline
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United States Plippy Offline
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#29

Wobbegong consuming a Blacktip Reef Shark: https://twitter.com/sharkmourier/status/...96?lang=gl
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