Thought to include two separate species, the Atlantic dwarf sperm whale and the Indo-Pacific dwarf sperm whale, these whales are reserved beings who carry an air of mystery.At sea, it’s really difficult to tell pygmy sperm whales and dwarf sperm whales apart, but there are some tell-tale differences. Together, we can:A world where every whale and dolphin is safe and free.Keep up-to-date about our work and the latest news from the world of whales and dolphins. With a preference for deeper water, the edges of continental shelves are thought to be ideal grounds for dwarf sperm whales.By supporting WDC, you can help dwarf sperm whales to live safe and free. The lifespan of a whale is determined by its habitat, geography, diet, lifestyle, level of endangerment, and species. Even smaller than several species of dolphins, dwarf sperm whales are gorgeous little whales closely related to pygmy sperm whales. REPRODUCTION. The two species differ slightly in physical size, morphology, and other minor features. 573 Sample size Medium Data quality Acceptable Observations. The geographic distribution and range for these species may overlap in some areas. For example, the Sperm whale has an average lifespan of 60 to 80 years while the Dwarf sperm whale has an average lifespan of 20 to 25 years. Gestation is estimated to be 9-11 months.
Only when closely observed, the skin is wrinkled (like its larger relative, the sperm whale) and has a brownish to dark bluish-gray coloration on the dorsal side. Discover school supplies, arts & … A small whale (smaller than some dolphins), Dwarf sperm whale is a rare and insufficiently explored species.
Stewart, P.J. Pitman. PRODUCT SPECS: Pygmy Sperm Whale measures 6" L x 1.5" H and is realistic and lifelike in every detail from its very large head to its considerably small dorsal fin. Pygmy sperm whales, which use their long, spiky teeth to devour squid, look similar to dwarf sperm whales, which makes it hard to distinguish … 2009.Reeves, R.R., B.S. They are sluggish animals occasionally seen floating in the water near the shore.Dwarf sperm whales likely hunt near the ocean bottom on deep sea.Little is known about the reproductive cycle of dwarf sperm whales.The rarity of dwarf sperm whales exclude it from threats due to commercial hunting, however, some scientists theorize that their scarcity may be due to extensive hunting in the past.Since 1998, The MarineBio Conservation Society has been a nonprofit volunteer marine conservation and science education group working online together to educate the world about,Symbionts, Parasites, Hosts & Cooperation,The Structures & Adaptations to Marine Living,Marine Science/Ocean Life Related Journals,Marine Biology Laboratories, Institutes & Graduate Programs,Worldwide Aquariums and Marine Life Centers,Frontline Marine Conservation/Science Support,Worldwide Aquariums & Marine Life Centers,Nautical MarineBio Long Sleeve Unisex Shirt,On the Shoulders of Giants Men's Athletic Shirt,Current IUCN Conservation Status of Dwarf Sperm Whales,UNEP World Conservation Monitoring Centre: Dwarf Sperm Whales,Check the Seafood Watch List for this species.Jefferson, T.A., S. Leatherwood, and M.A. Gestation in these cetaceans is probably about 9-11 months. Careful, considered swimmers, they can sometimes be spotted floating motionless on the surface of the water, basking in the sunshine.
Pygmy sperm whale Synonyms Kogia floweri, Kogia goodei, Kogia grayii, Physeter breviceps, Kogia goodie, Euphysetes grayii, Euphysetes macleayi Lifespan, ageing, and relevant traits Maximum longevity 17 years (wild) Source ref. National Audobon Society/Alfred A. Knopf, Inc., New York.
In the Southern Hemisphere, their range includes Chile, South Africa, the Tasman Sea, and Uruguay. DIET.
Dwarf sperm whale is quite similar and closely related to the pygmy sperm whale: when found at sea, these two species usually seem to be the same. Flashing whitish patches above their eyes, they also have false gills on their side reminiscent of sharks. Compared to their cousins, dwarf sperm whales have a more pointed snout giving their heads an almost conical look.
Life Cycle: Pygmy sperm whales become sexually mature at 4-5 years of age. 528pp.Save the Whales is a 501(c)(3) organization, founded in 1977. Sexual maturity is reached at the age of 5 years.The gestation lasts about 9-11 months and can apparently occurs every year, because the nursing lasts one year. LIFE HISTORY . Taken to aquariums, they die within a few days or weeks.The pygmy sperm whale appears very similar to the dwarf sperm whale. Dwarf sperm whales are a gregarious species often found in mixed-sex groups 10 or fewer.
Webber and R.L. In the field, it is very difficult to distinguish between the two species because they can be so easily confused. Adding further confusion, dwarf sperm whales have taller, more pointed dorsal fins than pygmy sperm whales that can sometime be mistaken for those of bottlenose dolphins.Taking life slow and steady in groups of 10 or fewer, dwarf sperm whales go at their own pace. The calving season lasts four to five months.
Most of the available information about this animal is taken from occasional strandings. 2002.
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