Latest Oceanic dolphins Stories
Dolphins are the foodies of the ocean, deemed so because of their specific and complicated measures to purge cuttlefish of ink and bone, Australian scientists announced on Friday.A female Indo-Pacific bottlenose dolphin was seen prepping her cuttlefish for consumption in the Spencer Gulf, located in Australia."It's a sign of how well their brains are developed. It's a pretty clever way to get pure calamari without all the horrible bits," Mark Norman, the curator of mollusks at...
Wildlife officials said that more than 40 sperm whales have died after a pod of about 50 became stranded off southern Australia. Rescuers have been trying to keep the surviving whales alive by pouring water over them.The whales are trapped on a sandbar about 500 feet offshore from Perkins Island on the northwest coast of Tasmania.Because of the whales' immense size, and that the area is only accessible by sea, the rescue is proving to be a difficult one.Liz Wren, a spokeswoman for...
A new study of pygmy killer whales shows that those living off Hawaii tend to stay close to the islands and don't swim out to the open ocean, researchers said. One of the least understood marine mammal species, there are very few of the whales (probably less than 200 individuals) in this distinct pygmy killer whale population off the islands. The research published Tuesday in the journal Marine Mammal Science suggests the population's limited number makes it more vulnerable than other whale...
CUMBRIA, England and FORT LAUDERDALE, Florida, December 30 /PRNewswire/ -- - Key Words: Dolphin, Cetacean, Acoustics, Holography, Language, CymaScope In an important breakthrough in deciphering dolphin language, researchers in Great Britain and the United States have imaged the first high definition imprints that dolphin sounds make in water. The key to this technique is the CymaScope, a new instrument that reveals detailed structures within sounds, allowing their...
Marine biologists say that many female bottlenose dolphins in Western Australia's Shark Bay area spend a disproportionately large amount of time using sponges to root for prey on the ocean floor.They say this causes some dolphins to work longer hours than others for their food.Scientists say the female bottlenose dolphins living in 30- to 50-foot-deep channels off Australia's western coast that bury their noses in sponges and use them as tools to root through the sandy ocean floor for...
Australian authorities reported on Sunday that at least 150 whales have died after being stranded on Tasmania's west coast.The long-finned pilot whales were discovered on Saturday, badly injured by jagged rocks. The body count was affirmed on Sunday to be 150, double the original estimate of 80 on Saturday.An official said that rescuers did managed to save 30 whales, which were trapped in shallow reefs, by using a small safety boat to steer them to deeper water.Whales pass Tasmania as they...
Despite broad "dolphin safe" practices, fishing activities have continued to restrict the growth of at least one Pacific Ocean dolphin population, a new report led by a researcher at Scripps Institution of Oceanography at UC San Diego has concluded.Populations of dolphins in the Eastern Pacific were expected to increase in abundance after successful regulations and agreements were enacted to reduce dolphin deaths as a result of fishing "bycatch," cases in which animals...
Fishing activities are stunting population growth of a type of Pacific Ocean dolphin despite dolphin-safe practices, U.S. university researchers said. The study by Scripps Institution of Oceanography at the University of California-San Diego revealed negative impacts from fishing activities remain, despite adoption of regulations and agreements designed to reduce dolphin deaths from by-catch in which animals are caught unintentionally along with the intended targets. The research by the...
A team of researchers has set out to calculate the power of a dolphin's thrust by using digital video and millions of tiny bubbles.In 1936, zoologist James Gray estimated that the drag dolphins must overcome to swim faster than 20 miles an hour. Gray said dolphins lacked the muscles to swim so fast, and yet they did. This is known as Gray's Paradox. Over the decades, scientists have found flaws in Gray's work, and most biologists have rejected his theory."There is no paradox. The...
By Warren Cornwall, Seattle Times Jul. 30--The U.S. Navy can keep setting off underwater explosions in Puget Sound without posing a serious threat to protected salmon, steelhead and orcas, a federal wildlife agency has concluded. The National Marine Fisheries Service (NMFS) determined that dozens of naval exercises involving explosive charges up to 20 pounds could kill thousands of salmon. But the agency also said it wouldn't make a significant dent in the overall fish populations and the...
Latest Oceanic dolphins Reference Libraries
Image Caption: Fossil of Feresa Attenuata, Shimonoseki Marine Science Museum KAIKYOUKAN, Japan. Credit: OpenCage/Wikipedia (CC BY-SA 2.5) The pygmy killer whale is widely distributed in tropical and sub-tropical waters worldwide. Regular sightings of this species occur off the coast of Hawaii and Japan, and also in the Indian Ocean near Sri Lanka and Lesser Antilles. In the Atlantic the pygmy killer whale has been seen off the coast of South Carolina and Senegal. This species swims in...
Image Caption: Peale's Dolphin, Near Ventisquero Pio XI, Feb 2006 en:Lagenorhynchus australis (taken at Ventisquero Pio XI, Chilean Patagonia). Credit: FDrummondH/Wikipedia (CC BY-SA 3.0) The black-chinned dolphin (Lagenorhynchus australis), also known as Peale's Dolphin or Peale's Black-chinned Dolphin, can be found near Tierra del Fuego at the southern tip of South America. Within these waters, it prefers to reside in faster currents near channels or narrows, but can also be found in...
The Atlantic spotted dolphin (Stenella frontalis) can be found in the Gulf Stream of the North Atlantic Ocean, including the area between Florida and Bermuda and the Gulf of Mexico. Its eastern range may extend as far as the Azores and Canary Islands, although sightings in these areas have been uncommon. Its northern range begins at Cape Cod and extends to the southwestern portion of Spain. It is thought that the southern portion of its range extends from West Africa to Rio Grande do Sul in...
The Clymene dolphin (Stenella clymene) is a dolphin that is native to the Atlantic Ocean. It was once known as the short-snouted spinner dolphin. Although its range is not fully understood, specifically the southern portions, it does prefer tropical and temperate waters. Its range begins in New Jersey, stretching east-south-east to southern Morocco, and it is thought that the southern area of its range beings near Angola and stretches to Rio de Janeiro. It prefers habitats within deep water,...
The Chinese white dolphin, otherwise known as the Indo-Pacific humpback dolphin, is a species of humpback dolphin that can be found in the waters of Southeast Asia. When breeding, they will travel to the waters around South Africa to Australia. There are currently two recognized subspecies of the Chinese white dolphin. The coloring of the Chinese white dolphin can vary due to age and location. When born, calves are actually black, but will change to grey, then pink with white spotting,...
