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The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale.Reaching a maximum confirmed length of 29.9 m (98 ft) and weighing up to 199 t (196 long tons; 219 short tons), it is the largest animal known ever to have existed.
Whales defecate at the ocean's surface; their excrement is important for fisheries because it is rich in iron and nitrogen. The whale feces are liquid and instead of sinking, they stay at the surface where phytoplankton feed off it. [90] [91] Upon death, whale carcasses fall to the deep ocean and provide a substantial habitat for marine life.
A chemoautotrophic whale fall community in the Santa Cruz basin off southern California at a depth of 1,674 m (5,492 ft), including bacteria mats, vesicomyid clams in the sediments, galatheid crabs, polynoids, and a variety of other invertebrates. A whale fall occurs when the carcass of a whale has fallen onto the ocean floor, typically at a ...
Blue whales can reach 100 feet long and weigh up to 330,000 pounds, according to the National Oceanic and Atmospheric Administration.. The ocean giants live in all oceans except the Arctic, NOAA ...
Asha de Vos (Sinhala:ආශා ඩි වොස් (born 1979) is a Sri Lankan marine biologist, ocean educator and pioneer of blue whale research within the northern Indian Ocean. [1] She is known for her Blue Whale Project. She is a Senior TED Fellow [2] and was chosen for a BBC 100 Women award in 2018. [3][4] She is a National Geographic ...
A dead whale can bring hundreds of tons of organic matter to the bottom. Whale fall community progresses through three stages: [32] Mobile scavenger stage: Big and mobile deep-sea animals arrive at the site almost immediately after whales fall on the bottom. Amphipods, crabs, sleeper sharks and hagfish are all scavengers.
An underwater photographer who got up close and personal with a massive blue whale says the experience left him feeling awestruck — and incredibly small. Stunning photo shows diver's close ...
The noises that are made throughout the entire year (the main sounds being whistles, clicks, and pulsed calls) are used to communicate with other members of their pod. [ 7 ] Each sound a whale makes could mean something different. The clicking noises whales make are used for navigation. [ 7 ]