Apr 02, 20 we explored the antipredator behaviour of five typicallysolitary male sperm whales physeter macrocephalus in the norwegian sea by playing sounds of mammalfeeding killer whales and monitoring behavioural responses using multisensor tags. Maxillary teeth in sperm whales, physeter macrocephalus. Pdf a note on the incidental mortality of sperm whales. Habitat use of culturally distinct galapagos sperm whale. Age determination of marine mammals using tooth structure. In the northern gulf of mexico, sperm whales are exposed to a variety of anthr. Vocal repertoires and insights into social structure of sperm. Groups were stratified by size, with the smaller animals stranding in the netherlands, and the largest in england. W oods hole oceanographic institution, w oods hole, massachusetts 02543 and department of zoophysiology, biological institute, university of aar hus, aar hus, denmark. We outline the nature and form of these interspecific. This paper documents the first reported stranding of a sperm whale on the. Although historically known as the common cachalot, the sperm whale gets its name from the waxyliquid substance found in its head, that is used in candles, soap.
However, differential transmission of socially learned behaviours can also lead to intraspecific niche variation. The sperm whales brain is the largest of any animal at 7. Of all cetaceans, sperm whales physeter macrocephalus are most amenable to acoustic detection and survey methods. They are the only whale listed under the endangered species act found in the gulf of mexico. Introduction during the 19941995 autumnwinter season 21 strandings of male sperm whales physeter mac rocephalus linnaeus, 1758 were reported from the coasts of the north sea. Since 2003, cetaceans have been observed on 22% of 14 300 observed lines, with killer whales present on 3. Pagka karon wala pay siak nga nalista ubos niini niya.
Adults feed on fishes, octopi, and large benthic and benthopelagic crustaceans ref. However, none have been reported along the pakistani coastline to date. Both names have since been found to refer to the same species. Pdf how do fishing practices influence sperm whale. Full text full text is available as a scanned copy of the original print version. It is the only living member of genus physeter, and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus kogia. The sperm whale physeter macrocephalus, formerly known as p. Vocal repertoires and insights into social structure of. Help pages, faqs, uniprotkb manual, documents, news archive and biocuration projects. Ang physeter macrocephalus sakop sa kahenera nga physeter sa kabanay nga physeteridae. The sperm whale physeter macrocephalus is an odontocete. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, featured multimedia fact files for more than 16,000 endangered species.
Some observations upon the development of the teeth. Our results suggest that, rather than taking advantage of their large aerobic capacities to dive away. A list of samples and specimens from the region is also. W oods hole oceanographic institution, w oods hole, massachusetts 02543 and department of zoophysiology, biological institute, university of aar hus, aar hus, denmark m. We explored the antipredator behaviour of five typicallysolitary male sperm whales physeter macrocephalus in the norwegian sea by playing sounds of mammalfeeding killer whales and monitoring behavioural responses using multisensor tags.
It is the only living member of the genus physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus kogia. Get a printable copy pdf file of the complete article 388k, or click on a page image below to browse page by page. Acoustic and diving behavior of sperm whales physeter. Pdf on jan 1, 1994, ben haase and others published a note on the incidental mortality of sperm whales physeter macrocephalus in ecuador find, read and cite all the research you need on.
Peponocephala electra, sperm whales physeter macrocephalus, striped dolphins stenella coeruleoalba, naia or roughtoothed dolphins steno bredanensis, and cuviers beaked whales ziphius cavirostris. We explored the antipredator behaviour of five typicallysolitary male sperm whales physeter macrocephalus in the norwegian sea by playing sounds of mammalfeeding killer whales and monitoring. Deepdiving foraging behaviour of sperm whales physeter. Sperm whale species act, the marine mammal protection act and the international convention for the regulation of whaling. Sperm whales can be found in all the oceans of the world, but primarily in the higher latitudes from 45 north and south. Fossilworks hosts query, analysis, and download functions used to access large paleontological data sets. Marine mammals hawaii department of land and natural resources. The sperm whale, physeter macrocephalus linnaeus, 175885, is the largest and most sexually dimorphic member of the odontoceti or toothed whales. Wildlife and offsh ore drilling defenders of wildlife. Killer whale orcinus orca and sperm whale physeter macrocephalus interactions with longline. Estimating the impact of depredation by killer whales and. Note the characteristic wrinkl ed appearance of the body surface and the obtusely rounded dorsal hump.
Sperm whale, physeter macrocephalus, stranding on the. They appear to be indiscriminate predators upon dominant food organisms present ref. Physeter macr ocephalus during controlled exposures to airgun arrays in the gulf of mexico. The aim of this study is to report a new case of erupted maxillary teeth in p. Quantitative measures of air gun pulses recorded on sperm. In sperm whales physeter macrocephalus, social transmission of information is thought to generate culturally distinct clans, which at times occur sympatrically. Killer whales appear in pod sizes normally of 4 to 10 animals, and. This is the genus which contains all of the sperm whale species. The cows with their young give from nothing up to 35 barrels, and seem to go in schools together, and we frequently see from twentyfive to fifty and sometimes one hundred or more in a school, with occasionally a large bull among them, and at. The sperm whale physeter macrocephalus is the largest of the toothed whales and is the largest toothed animal in the world.
Sperm whale, physeter macrocephalus, stranding on the pakistani coast sperm whales physeter macrocephalus occur frequently in stranding records worldwide. Sperm whales generally inhabit deep water over 1,000 m in depth and are uncommon in shallow waters. Evidence that sperm whale physeter macrocephalus calves. Evidence that sperm whale physeter macrocephalus calves suckle through their mouth g. In the northern gulf of mexico, sperm whales are exposed to a variety of anthropogenic stressors, including ship strikes, fisheries interactions, habitat loss and degradation.
This file is licensed under the creative commons attributionshare alike 3. An physeter macrocephalus in nahilalakip ha genus nga physeter, ngan familia nga physeteridae. Download fulltext pdf download fulltext pdf anatomy of the eye of the sperm whale physeter macrocephalus l. Breiwick a sperm whale surfaces in the southern ocean. It presents taxonomic, distributional, and ecological data about the entire fossil record. Johnson earthocean, 19 young street, albert park, victoria 3206, australia email. Physeter macrocephalus, there was a prohi bition on taking animals that were ei ther lactating or below the minimum length originally 11. However, it is not a legal authority for statutory or regulatory purposes. Pdf on oct 1, 2018, anais janc and others published how do fishing practices influence sperm whale physeter macrocephalus depredation on demersal longline fisheries. On the sternum of the spermwhale physeter macrocephalus.
An physeter macrocephalus in uska species han mammalia nga ginhulagway ni linnaeus hadton 1758. The sperm whale is one of the worlds water giants and is found in ocean waters worldwide. Responses of male sperm whales physeter macrocephalus to. Aalborg universitet age determination of sperm whales. Age determination of sperm whales physeter macrocephalus from the west coast of jutland, denmark introduction age determination of sperm whales physeter macrocephalus by counting growth layer groups glg. The sperm whale physeter macrocephalus linnaeus 1758 is a cosmopolitan, deepwater odontocete rice, 1989. Sources include the literature and various databases available to the authors at the time of writing. Records of sighted n 141 and stranded n 27 sperm whales physeter macrocephalus in the waters off oman and the united arab emirates uae are documented and summarized. January, 2016 priority 2 species of greatest conservation need sgcn. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. The body is somewhat laterally compressed and the head is huge onequarter to onethird of the total length, and an even greater proportion of the total bulk and squarish when viewed from the side. A note on sperm whale physeter macrocephalus records from the sultanate of oman and united arab emirates. The whale was named after the milkywhite substance spermaceti found in its head and originally mistaken for sperm.
Found mainly along the continental shelf and upper slopes ref. Social organization in sperm whales, physeter macrocephalus. Age determination of sperm whales physeter macrocephalus. Soundararajan central marine fisheries research institute, cochin. Wildscreens arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth. The sperm whale physeter macrocephalus or cachalot. Young probably feed on copepods and similar organisms ref. Responses of male sperm whales physeter macrocephalus. Foraging activity of sperm whales physeter macrocephalus. A list of samples and specimens from the region is also provided. Frantzis pelagos cetacean research institute, terpsichoris 21, 16671 vouliagmeni, greece c.
Physeter macrocephalus sperm whale maine 2015 wildlife action plan revision report date. The sperm whale physeter macrocephalus or cachalot is the largest of the toothed whales and the largest toothed predator. Sperm whales, physeter macrocephalus linnaeus, 1758, have 18 to 28 pairs of well developed conical mandibular teeth, but maxillary teeth are vestigial and supposedly rare. Physeter macrocephalus sperm whale physeter catodon. Introduction the sperm whale physeter macrocephalus linnaeus, 17581, is the largest of the. Marine mammals hawaii department of land and natural. Physeter means blower which generally refers to how whales will exhale water vapor out of their lungs when they surface. Macrocephalus is an older term used to describe somebody with a large head. Pdf anatomy of the eye of the sperm whale physeter. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties.
Between the 8th january and the 25th february 2016, the largest sperm whale physeter macrocephalus mortality event ever recorded in the north sea occurred with 30 sperm whales stranding in five countries within six weeks. The endangered sperm whale physeter macrocephalus spends the majority of its time foraging, relying upon echolocation to locate and consume several 100 kg of prey per day. Acoustic and diving behavior of sperm whales physeter macrocephalus during natural and depredation foraging in the gulf of alaska delphine mathiasa and aaron m. Linnaeus, 1758 sperm whale distinctive characteristics the largest toothed cetacean, the sperm whale, is unlikely to be confused with any other species. The sperm whale physeter macrocephalus linnaeus 1758 is a cosmopolitan, deep. Handbook from workshop 2225 august 2007, at south australian museum bulowsvej 27, 1870 frederiksberg c, denmark. Physeter macrocephalus in the azores in september 2011. Physeter macrocephalus synonyms, physeter macrocephalus pronunciation, physeter macrocephalus translation, english dictionary definition of physeter macrocephalus.
1230 541 370 231 1539 1461 904 1134 46 899 663 1122 1115 1100 465 1543 687 1521 268 103 1475 1211 1043 673 57 855 813 189 971 1409 931 1212 658 1237 1045 553