DOLPHINS
About How Long Can
Bottlenose Dolphins Breath
Underwater ?
DOLPHINS USUALLY STAY UNDERWATER FOR
ABOUT 30 SEC TO 2MIN. WITH A MAXIMUM OF
UP TO 6 TO 10 MIN.
www.imaginecruises.com.au/researcharticles/bottlenose-dolphin-facts/
THE SAD TRUTH
Every year, all around the world, it is
estimated that three hundred thousand
whales,. dolphins and porpoises become
accidentally caught and die in fishing nets .
Thousands of dolphins die in UK and other
European waters when they get caught in
nets
How fishing is endangering whales, dolphins
and porpoises - WDC
How Big is a
Dolphin?
Dolphins are about 2.5m maximum &
around 200kg.
http://www.imaginecruises.com.au/resea
rch-articles/bottlenose-dolphin-facts/
How Long Do
Dolphins live?
Male dolphins live for around 40
years, while females live longer.
http://www.imaginecruises.com.au/researcharticles/bottlenose-dolphin-facts/
Will dolphins attack a shark and why?
Generally dolphins will not attack sharks, but in a group sometimes
they have done it. They can be curious of sharks or feed in the same
area and are more likely to be attacked by them. Some large sharks
feed on Bottlenose Dolphins.
http://www.imaginecruises.com.au/researcharticles/bottlenose-dolphin-facts/
Are dolphins related to whales?
Yes, dolphins & whales are both cetaceans and
very closely related. Orcas are the biggest of
the dolphins.
http://www.imaginecruises.com.au/research-articles/bottlenosedolphin-facts/
Do dolphins sleep? If so,
how?
No, dolphins rest half of their brain for a few
minutes at a time so they can surface and take a
breath. Anesthetic kills them.
http://www.imaginecruises.com.au/research
-articles/bottlenose-dolphin-facts/
How fast can dolphins
swim?
Bottlenose dolphins: 12-16 knots; offshore
Common Dolphins: 20-30 knots.
http://www.imaginecruises.com.au/researcharticles/bottlenose-dolphin-facts/
32 Types
The Bottlenose dolphin, the Killer Whale, the Common dolphin, the False Killer
Whale, the Hector's dolphin, the Short-Finned Pilot Whale, the Commerson's
dolphin, the Long-Finned Pilot Whale, the Black dolphin, the Atlantic Humpbacked
dolphin, the Haeviside's dolphin, the Indo-Pacific Humpbacked dolphin, the
Southern Right Whale dolphin, the Tucuxi, the Northern Right dolphin, the Pygmy
Killer Whale, the Spotted dolphin, the Melon-Headed Whale, the Atlantic Spotted
dolphin, the Irrawaddy dolphin, the Striped dolphin, the Rough-Toothed dolphin, the
Spinner dolphin, the Risso's dolphin, the Clymene dolphin, the Fraser's dolphin, the
White-Beaked dolphin, the Peale's dolphin, the Atlantic White-Sided dolphin, the
Hourglass dolphin, the Pacific White-Sided dolphin and the Dusky dolphin.
http://dolphins-and-more.com/what-arethe-32-types-of-dolphins.html
Pink dolphins
Pink dolphins are not the same dolphins that you would see in the ocean; they have
special adaptations to their habitat. In fact, river dolphins are only distantly related
to sea dolphins.
They belong taxonomically speaking to different families. The oceanic dolphins
belong to the family delphinidae while river dolphins belong to the family
Platanistoidea as we said above.
Among the five species of river dolphins, Amazon pink dolphins are considered the
most intelligent of them, with a brain capacity 40% larger than that of humans.
Pink dolphins inhabit the Amazon River, but they can also be found in the Orinoco
basins and the upper Madeira River as well. While they are mostly pink, these
dolphins have various colored skins, which can be light gray, pink, or brown.
The Amazon River pink dolphins conform the largest population of river dolphins in
existence as the other four species are functionally extinct or close to extinction.
http://www.dolphins-world.com/pinkamazon-river-dolphin/
Orcas
Orcas, or killer whales, are the largest of the dolphins and one of
the world's most powerful predators. They feast on marine
mammals such as seals, sea lions, and even whales, employing
teeth that can be four inches (ten centimeters) long. They are
known to grab seals right off the ice.
http://animals.nationalgeographic.c
om/animals/mammals/killer-whale/
The Long-Finned Pilot
Whale
The long-finned pilot whale is not actually a whale, but a dolphin.
Along with the related short-finned pilot whale, this species was
once called a 'pothead', as the bulbous head was thought to
resemble a black cooking pot by the early whalers that first
encountered the species. The Latin name of this genus,
Globicephala, meaning 'globe head' also refers to the shape of the
head. The stocky body is black or dark grey in colour with a white
stripe passing diagonally behind the eye, a greyish area on the belly,
and an anchor-shaped grey patch on the chin
http://www.arkive.org/long-finned-pilotwhale/globicephala-melas/
The Common
Dolphin
The short-beaked common dolphin (Delphinus delphis) is the commonest
dolphin species, but exact numbers are unknown. It is easily identified owing to
the obvious 'hourglass' pattern on the flanks, which creates a dark V-shape
below the dorsal fin. Considerable variation in colours and patterns exists
within this species, and in 1994 a new species, the long-beaked common
dolphin was recognised, based on both anatomical and genetic differences.
http://www.arkive.org/short-beaked-commondolphin/delphinus-delphis/
The Black Dolphin
The Black dolphin (scientific name: Cephalorhynchus eutropia),
is more commonly known as the Chilean dolphin, is only found
in freshwater estruaries, and coastal areas surrounding Chile.
It is a marine mammal, a member of the family Delphinidae,
part of the order of cetaceans. The species is so named for its
black coloring on its fins, tail, and back. It is also known as the
Chilean dolphin, Piebald dolphin, Southern dolphin, and Whitebellied dolphin.
http://www.eoearth.org/view/article/
150691/
The End
References
http://www.eoearth.org/view/article/150691/
http://www.arkive.org/short-beaked-common-dolphin/delphinus-delphis/
http://www.arkive.org/long-finned-pilot-whale/globicephala-melas/
http://animals.nationalgeographic.com/animals/mammals/killer-whale
http://www.dolphins-world.com/pink-amazon-river-dolphin/
http://dolphins-and-more.com/what-are-the-32-types-of-dolphins.html
http://www.imaginecruises.com.au/research-articles/bottlenose-dolphinfacts/
How fishing is endangering whales, dolphins and porpoises - WDC