The spectacled porpoise: a scientific debut
Balaenoptera Common minke whale B. Views Read Edit View history. Bowhead whale B. Many porpoises, mainly the vaquita , are subject to great mortality due to gillnetting. The scientists collected all of the vital findings from the surface examination, which will then be shared with relevant departments of the Museum for further research.
The vaquita is only found in the northern end of the Gulf of California Sea of Cortez , being confined to a mile radius; it is on the brink of extinction , having a population estimated at only between and individuals WCDS A dissection of a beached Vaquita showed remains of squid and grunts. However, some have preferences between different kinds of fish, indicating some sort of attachment to taste.
Platanistidae 5 animals. In North America the name is sometimes applied to dolphins. On an Accelerating Path to Extinction? Yes, this would make a good choice No, never mind. Capturing her best side Because the species is so rare, every effort is being made to preserve as much information as possible at each stage of the examination process.
There are six species of phocoenids typically recognized: While many threatened species decline rate slows after their classification, population decline rates of the porpoise are actually accelerating. Nearly half of these died within a month of diseases caught before they were captured or from damage sustained during capture. Burmeister's porpoises are found in sub-Antarctic and temperate coastal waters of southern South America , while the spectacled porpoise has been spotted in a variety of locations, but seems to be most common in the southern Atlantic coast of South America WDCS Dall's Porpoises in Captivity".
One taxonomy is as follows:.
This is accomplished by driving a pod together with boats and usually into a bay or onto a beach. Many skeletons have been found on Tierra del Fuego and this area is believed to be a site of relatively high concentration. Like most porpoises, they have fewer teeth than dolphins, but each tooth is large and chisel-shaped.
Spectacled Porpoise - pictures and facts
Read more Read about the spectacled porpoise's arrival at the Museum Find out about the porpoise's trip to a London hospital. The history of earlier contributions by wikipedians is accessible to researchers here: Calves are born with only a thin layer of blubber, but some species compensate for this with a covering of fine, downy hair known as lanugo.
The tube in the head, through which this kind fish takes its breath and spitting water, located in front of the brain and ends outwardly in a simple hole, but inside it is divided by a downward bony septum, as if it were two nostrils; but underneath it opens up again in the mouth in a void. Quick Facts Type: Porpoises are mostly hunted for their meat. Last hope for saving the vaquita?
Flipper movement is continuous. They have also placed a temporary ban on fishing, with compensation to those affected, that may pose a threat to the vaquita. Spectacled porpoises are rarely seen in the wild and can be misidentified at sea. The porpoise family consists of three genera: So the new addition to the Museum's research collections is set to offer a rare insight into the lives of these elusive cetaceans. Phocoenoides 1 animal.
Iniidae Inia Amazon river dolphin I. Beluga D. Risso's dolphin G. Long-beaked common dolphin D.