"Killer Dolphins" attacking each other for food.

by JeffHuang | September 2, 2008 at 02:33 pm
1618 views | 5 Recommendations | 16 comments

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Remember the dolphins we see either on TV or in aquariums where they jump through hoops and performs tricks in front of crowds of people. Well, these dolphins are not as innocent as we perceive them out to be. Now being labelled as the "killer dolphins" these mammals are responsible for the growing number of dead harbour popoises that are being washed up on the British shores.

Amy had a story on how Mexico investing to save these endangered porpoises here. Fishermans are not the only ones that are endangering the porpoises, but their dolphin cousins are slowly killing them off too.


Attacks by gangs of 'killer dolphins' are responsible for the growing number of dead harbour porpoises washed up on the British shore, wildlife experts say.

They believe a brutal 'surf war' over food has broken out between bottlenose dolphins and their smaller, more gentle cousins.

There are also fears that the predators have begun to pick on smaller members of their own dolphin family.

'Despite their friendly image bottlenose dolphins can be aggressive towards one another and on the rare occasion that we see a dead bottlenose wash ashore it often has rake or tooth marks inflicted by its own species,' she said.

'But we have recently begun to see an increase in the numbers of young and female harbour porpoises that have clearly been attacked by bottlenose dolphins and results from the post mortems carried out on these animals confirm this.'

Now when you are on vacation, think twice before entering that tank full of dolphins and grabbing onto its' fin and letting it drag you around the water.

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Paschen
Paschen
flagged this story as Good Stuff

at 22:57 on September 2nd, 2008

JeffHuang, I like this story. It's good stuff.

That is odd.

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JOCK MO

this photo is at inverness ware the dolphins swim and feed in the wild as it should be

all my photo are dolphins in the wild

JOCK MO has contributed a photo to this story.

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niknok2007

This was taken from the shore at Chanonry Point, Scotland, where the wild dolphins of the Moray Firth regularly visit to feed. There is a good supply of salmon, mackerel and sea trout.
They are protected in the Firth as it is an area of conservation. The building in the background is Fort George.

niknok2007 has contributed a photo to this story.

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david.nikonvscanon

Dolphins are also known to attack sharks by ramming the sharks gills with its hard beak.....but they just cant help looking cute!

david.nikonvscanon has contributed a photo to this story.

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gm43uk

This dolphin was photographed in the River Tay on the east coast of Scotland. This was the first summer I've been able to see them, it was quite an experience.

gm43uk has contributed a photo to this story.

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pawanasuta

bottlenose dolphins at Dolphinquest

pawanasuta has contributed a photo to this story.

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Randy Graham

I find the “killer dolphin” phrasing to be needlessly inflammatory. Many species in the oceans are under tremendous pressure because of over-fishing and rampant pollution of the oceans by humans.

There have been studies suggesting that many dolphins are malnourished due to disappearing wild fish stocks.

It is hardly surprising that hungry animals—especially intelligent social mammals-- would become aggressive in trying to take control of limited resources and chase out potential competitors.

However, if any species truly deserves the appellation “killer” then it is the human species. A truly ‘out of control’ species, its myopic greed, aggressiveness, and willingness to kill both its fellow humans and non-humans appears unmatched.

Bottle-nosed dolphins are not unicorns. They are powerful animals and would be quite capable of killing human beings in the water should they choose to attack them. And yet this is rarely reported.

In fact, there are numerous reports going back to Classical Greece of dolphins saving drowning swimmers and even defending human beings from sharks.

http://news.bbc.co.uk/2/hi/asia-pacific/4034383.stm

http://www.eurocbc.org/page158.html

http://www.wildlifeextra.com/do/ecco.py/view_item?listid=13&listcatid=32&listitemid=1203

http://www.guardian.co.uk/environment/2008/may/11/fishing.food/print

So which is the real “killer” species?



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RandyDingo

This was taken at Shark's Bay in Western Australia in about two-feet of water. Wild bottle-nose dolphins learned to come and accept food handouts from humans. It was a great experience getting this close to them.

RandyDingo has contributed a photo to this story.

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pawanasuta

Well, when we think of why they are fighting for food, it's obvious, we, humans, taking too many fish. Thus, dolphins doing their version of population control. So, who to blame? "Bottlenose" are assertive dolphins, thus can be aggressive to other cetaceans, it is known  here in Hawaii, when they come close to a pod of Spinner dolphins, the Spinners would run away.

I'm not only a Japanese, but one time sushi chef, so I know how it's like in market of fish industry. Fish are being over caught all over the world, period. But, then there's this area in Japan, dophins are hunted for the reason they are taking too many fish for the people to consume.

A fish dealer in Tsukiji market in Japan admits that we have to change the habit(or amount) of eating fish, even though that would affect the profit to the industry. To Keep the industry, we now need to consume less. 

Let's eat fish moderately, friends. Though, I do love sushi and fish, I don't eat them every day. Besides, we really have to be careful about mercury in fish.


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luzzes

Desde siempre he sentido una especial atracción por los delfines. Me encanta su expresión entre sonriente y melancólica, sus movimientos, su fuerza, su voz. Este verano se cumplió un pequeño sueño. Visita http://www.luzzes.com/blog/?p=68 I have always felt a special attraction for doplhins. I like their expression, movements, strength and voice. Last summer I made a dream come true. Visit http://www.luzzes.com/blog/?p=68

luzzes has contributed a photo to this story.

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rob_groome

This was taken at SeaWorld in San Diego at the Dolphin show.

I think that what everyone needs to remember about the oceanic habitat is that we, the humans, have encroached upon their environment to the point that these animals must do anything they can to survive.

Are they killers? Sure. Were they before - absolutely. They killed fish everyday of their lives and likely their own species as well. While we worry about what is happening to these animals and their attacks against their smaller brethren, we must first ask ourselves this:

Why are they doing this? Can we as human beings help stop this behavior? What can be done to help restore the natural order of things.

JeffHuang - Please don't take my comments negatively about the article, as I find it incredibly interesting, but I also just wanted to make sure that people looked at it from the "animals" point of view.

rob_groome has contributed a photo to this story.

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Cheryl144

These are bottlenose dolphins at Xel-Ha National Park in Mexico.

Cheryl144 has contributed a photo to this story.

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Karl (D_O_M_1952 on Flickr)

Hello Jeff Huang,

I wrote that I don't want my pictures used here. The three pictures right on top of the story are mine and I intend that they are removed immediately.

Next time you want to use my pictures please ask in advance. Not in that way that you use them on top with the question for permission to pseudo legalize the publishing.

These pictures are my property and I don't want to see them published in or in connection  with such an article.
Yes it sometimes may happen that Dolphins kill Porpoise, but that has been always so and it will be so in future. That's nature


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water-washroom-toilet paper

Interesting story. I agree that 'killer' is a little bit aggressive phrase to use. They are just working out ways to survive, just like us. If there's a species observing us filling our stomaching with whatever living things' meat, we're probably going to be called 'killer' as well.

And ya, growing population of us, human's definitely causing changes in the nature, the way animals used to behave. It's kinda saddening, though nothing stays the same forever, but we're causing problems to other living things, while a lot of us don't/choose not to realize it or do anything about it.

Just a random question: If someday we are really lack of food, are we going to be like the dolphins now: eating our own species? :D

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cgirou

Photo taken in the Tampa Bay. There were Dolphins all over the place and would be seen thrashing around and on top of one another.

cgirou has contributed a photo to this story.

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manwo

There is science that leads many to believe that this behavior is being caused by the mercury that is poluting our oceans, as it affects the brains of the dolphins.

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First Flagged at 10:57 PM, Sep 2, 2008 by Paschen
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