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Topic: Finless Porpoise

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	Porpoise - Search View - MSN Encarta
		Porpoises are also generally smaller than dolphins and have rounded conical heads that lack the dolphin's characteristic beak.
		The most frequently seen and most wide-ranging of the porpoises is the common, or harbor, porpoise, which inhabits cool and cold waters of the Northern Hemisphere, especially around tidal estuaries and inlets of large rivers.
		The common porpoise is classified as Phocoena phocoena, the Dall porpoise as Phocoenoides dalli, and the finless porpoise as Neophocoena phocaenoides.
	encarta.msn.com /text_761575021__1/Porpoise.html (361 words)

	Porpoise - ninemsn Encarta
		Porpoises are generally smaller than dolphins and have rounded conical heads that lack the dolphin's characteristic beak.
		The most frequently seen and most wide-ranging of the porpoises is the common, or harbour, porpoise, which inhabits cool and cold waters of the northern hemisphere, especially around tidal estuaries and inlets of large rivers.
		The common porpoise is classified as Phocoena phocoena, the Dall porpoise as Phocoenoides dalli, and the finless porpoise as Neophocoena phocaenoides.
	au.encarta.msn.com /encyclopedia_761575021/Porpoise.html (261 words)

	SharkFriends Finless Porpoise Page (Site not responding. Last check: 2007-10-26)
		The Finless Porpoise is a light colored Asian porpoise distinguished by its lack of a dorsal fin.
		Finless porpoises often travel in groups of up to 10 individuals, and can be found feeding in rivers, estuaries, and mangroves where fresh and salt water mingle.
		Finless porpoises sometime spyhop, and at such times their eyes can be seen.
	www.sharkfriends.com /finless.html (224 words)

	Finless Porpoise
		The Finless porpoise, Neophocaena phoconoides, lives in the coastal waters of Asia, especially around India, China, Indonesia and Japan.
		Finless porpoises eat a wide range of fish, shrimp and cephalopods, consuming whatever is available.
		There is not enough data to place finless porpoises on the endangered species list, except in China, where they are endangered.
	www.teachersparadise.com /ency/en/wikipedia/f/fi/finless_porpoise.html (232 words)

	AquaNetwork Marine Mammal Project: Porpoises
		The population of an endangered subspecies of the finless porpoise has halved over the past 15 years, according to scientists who have spent nearly two months studying the Yangtze River.
		It is the smallest porpoise and among the smallest of all cetaceans.
		Porpoises are small cetaceans, which are closely related to dolphins.
	www.aquaticmammals.org /porpoise/index.html (918 words)

	[No title]
		Overall, the results indicate that finless porpoises in Hong Kong, while being challenging targets for sighting surveys, are available at the surface to be seen for a higher proportion of time than are harbor porpoises in deeper water habitats.
		Finless porpoises produced short duration high frequency clicks, although one strange 'buzz' type sound was heard in the presence of these animals.
		Finless porpoise clicks were generally inaudible to the human ear, except on occasion when distinct pulses were heard from animals close to the hydrophone.
	www.afcd.gov.hk /english/publications/publications_con/files/fin_executive_summary.doc (1406 words)

	CMS: Neophocaena phocaenoides, Finless porpoise (Site not responding. Last check: 2007-10-26)
		Finless porpoises are known to occur year-round in Ise and Mikawa Bays with a peak abundance in April-June.
		Habitat degradation: Finless porpoises are vulnerable to habitat encroachment, which is particularly true for the population in the Yangtze River, that may face the same threats as the baiji.
		The finless porpoise population in the Yangtze river is likely to continue declining unless serious efforts are made to protect the animals and their habitat.
	cms.int /reports/small_cetaceans/data/N_phocaenoides/n_phocaenoides.htm (3040 words)

	EPSON "Our Dolphin" Programme - The Dolphin's Relative
		The porpoise seem to favour areas on the south of Lantau and Lamma Island and on the east coast they are often seen and heard near Cape d'Aguilar and Ninepins Island.
		The Finless porpoise is much smaller than the Chinese White Dolphin, and does not have a dorsal fin, hence it's name.
		Porpoises of this species are known to live over 20 years which is not quite as long as the Chinese White Dolphins.
	www.wwf.org.hk /cwd/en/relative/relative.html (278 words)

	Porpoise - Dolphins and Whales Window
		Porpoises tend to be smaller but stouter than dolphins.
		Porpoises are predators hunting mainly fish, often also squid and crustaceans.
		Porpoises are fast swimmers—Dall's porpoise is said to be one of the fastest cetaceans with a speed of 55 km/h.
	dolphins.jump-gate.com /start_page/porpoise.shtml (236 words)

	porpoise - Encyclopedia.com
		Porpoises, like other whales, are mammals; they are warm-blooded, breathe air, and give birth to live young, which they suckle with milk.
		The finless porpoise, Neomeris phocaenoides, is found in the Indian and W Pacific oceans.
		The fat of the porpoise yields a lubricating oil, and the flesh is sometimes eaten.
	www.encyclopedia.com /doc/1E1-porpoise.html (633 words)

	Porpoise
		The finless porpoise is grey with a lighter throat and face area, and is the only porpoise with no dorsal fin.
		Porpoises have a chubbier shape and a blunt snout, unlike the dolphin, which is streamlined and has a pronounced beak.
		The harbour porpoise (phocoena phocoena) is listed as Vulnerable; the Yangtze River population of the finless porpoise (neophocaena phocaenoides) is listed as Endangered; the California Gulf porpoise (phocoena sinus) is Critically Endangered; and the Dall’s porpoise (phocoenides dalli) is listed as Lower Risk, Conservation Dependent.
	www.wildinfo.com /facts/Porpoise.asp?page=/facts/Porpoise.asp (462 words)

	CMS: Neophocaena phocaenoides, Finless porpoise
		Finless porpoises are known to occur year-round in Ise and Mikawa Bays with a peak abundance in April-June.
		Habitat degradation: Finless porpoises are vulnerable to habitat encroachment, which is particularly true for the population in the Yangtze River, that may face the same threats as the baiji.
		The finless porpoise population in the Yangtze river is likely to continue declining unless serious efforts are made to protect the animals and their habitat.
	www.cms.int /reports/small_cetaceans/data/N_phocaenoides/n_phocaenoides.htm (3040 words)

	The Porpoise Page - Information on Porpoises
		The Finless Porpoise is one of the smallest members of the family Phocoenidae and resembles a small Beluga whale.
		Although Finless Porpoises do eat squid, shrimp, and small fishes, this species is unique from other members of the family Phocoenidae in thier diet as well.
		This porpoise is generally found in the coastal waters of the Indo-Pacific from Pakistan to China.
	www.theporpoisepage.com /finless.php (769 words)

	BBC - Science & Nature - Wildfacts - Finless porpoise, finless black porpoise
		Finless porpoises inhabit coastal areas of the Pacific and Indian oceans, including some freshwater rivers.
		Finless porpoises gather in groups of typically 2-3 animals, and rarely up to groups of more than 20 animals.
		Finless porpoises are classified as Data Deficient by the 2000 IUCN Red List, except for the Yangtze River subpopulation, which is listed as Endangered.
	www.bbc.co.uk /nature/wildfacts/factfiles/129.shtml (191 words)

	Finless Porpoise - Hong Kong Dolphin Conservation Society
		Finless porpoise may not be as charismatic and acrobatic as the dolphins.
		Finless porpoise calf is generally in light gray, and its colour darkens with age.
		As finless porpoise does not have a dorsal fin, and seldom expose their body and fluke on water surface, it is impossible for researchers to take photograph of them for individual identification, and to study their social structure.
	www.hkdcs.org /QnA/HKdolp_fp_en.htm (2259 words)

	Discovering Whales - The Porpoise
		Porpoises are small odontocetes (toothed whales) that have been distinct from their dolphin relatives since about 10-11 million years ago.
		The geographic distribution of fossils suggests that porpoises originated in the North Pacific and spread later to the Atlantic and southern oceans.
		Porpoises have no distinct beaks and their foreheads slope uniformly forward to the tip of their snouts.
	www.omplace.com /omsites/discover/PORPOISES/index.html (187 words)

	Species Profiles — OBIS-SEAMAP
		Finless porpoises are actually most likely to be confused with dugongs, where they overlap in tropical waters.
		Finless porpoises are generally found as singles, pairs, or in groups of up to 20, although aggregations of up to about 50 have been reported.
		Finless porpoises are not known to be directly killed in large numbers anywhere, but they are incidentally killed in fishing gear throughout their range.
	seamap.env.duke.edu /species/tsn/180478 (908 words)

	Finless Porpoise (Site not responding. Last check: 2007-10-26)
		he finless porpoise is different from other porpoises in that it has a prominent, rounded forehead, which gives the appearance of a slight beak, and a ridge of small rounded projections just behind where the dorsal fin should be.
		Finless porpoises dive for less than a minute in search of prey and are quick and agile in the water.
		Although finless porpoises generally move in pairs, groups of up to 10 are sometimes seen.
	www.mbgnet.net /salt/coral/animals/porpoise.html (128 words)

	Harbour porpoise detection by T-PODs
		Porpoises are so similar to dolphins that it is unfortunate that the names appear to imply a large difference, and this is reflected in public understanding in Britain, where dolphins are widely known to be mammals, not fish, but ideas of porpoises are much more uncertain and confused.
		It seems that porpoises are rarely silent in the wild, normally producing clicks in trains that have click repetition rates varying from around 4/second to 600/second.
		High rates - buzzes - are known to be used in the final stages of attempts to capture prey as the porpoise moves in rapidly to catch the fish in its mouth.
	www.chelonia.co.uk /html/harbour_porpoise.html (284 words)

	Finless porpoise dies on Orissa coast due to polythene intake - Marine Biology: Life in the Ocean - Care2.com
		Bhubaneswar: A fl finless porpoise, the carcass of which was found on the Orissa coast at Puri five days ago, died due to intake of polythene materials, according to the Chilika Development Authority.
		However, on examination it was found to be an adult individual of fl finless porpoise that belong to the same family as whale and dolphins.
		According to CDA, the fl finless porpoise resembles closely with Irrawaddy dolphins but it does not have a dorsal fin and the average size is about half of adult Irrawaddy dolphin.
	www.care2.com /c2c/groups/disc.html?gpp=11767&pst=879088 (368 words)

	Lady WildLifes Porpoise
		The porpoises are among the smallest of the aquatic mammals.
		Dall's porpoise, the most active and sociable species, is found around northern Japan and off the coast of North America, from the Aleutian Inland to California.
		Porpoises have 60 to 120 teeth, which are flattened into a spade shaped at the tip.
	ladywildlife.com /animal/porpoise.html (795 words)

	Genetic variation of the MHC DQB locus in the finless porpoise (Neophocaena phocaenoides).
		The exon 2 region of the MHC DQB locus was analyzed using 160 finless porpoises from 5 populations in Japanese waters.
		Balancing selection in the MHC DQB alleles of the finless porpoise was indicated by the higher rate of nonsynonymous than synonymous substitutions for PBR; however, an excess of hetrozygotes compared to expectation was not observed.
		This suggests that the MHC DQB locus in the finless porpoise may have been under balancing selection for a long evolutionary time period, and is influenced by genetic drift beyond the effect of balancing selection for short time periods in small local populations.
	www.galenicom.com /medline/article/16603807/mt:Porpoises (334 words)

	Finless porpoise, Taiwan
		The finless porpoise (Neophocaena phocaenoides) is a small cetacean that generally inhabits coastal and estuarine waters of tropical to temperate regions of Asia but a freshwater population also exists in the Yangtze River of China.
		Finless porpoises are extremely susceptible to human activities, especially entanglement in gillnet fisheries and there is concern that some local populations of finless porpoises have already been depleted or even extirpated.
		For example, in most areas, the nets that are catching most of the finless porpoises (trammel nets) are made up of three layers of monofilament netting (as compared to a single layer on most western bottom-set gill nets) of different mesh size and designed to entangle fish of various sizes and are very unselective.
	www.wdcs.org /dan/publishing.nsf/allweb/2A2F876B6F59B6C08025703F0038887F (610 words)

	IUCN
		The finless porpoise (Neophocaena phocaenoides) population in the Yangtze is the world's only freshwater-adapted population of porpoises.
		Yangtze finless porpoises are considered a subspecies, and they appear to be morphologically, behaviorally, and genetically different from the marine finless porpoises that occur in Chinese coastal waters and elsewhere in eastern and southern Asia.
		While the finless porpoise seems to have been better able than the baiji to tolerate the deteriorating conditions in the Yangtze River over the last several decades, its future is highly uncertain.
	www.iucn.org /themes/ssc/pubs/rivercetacean.htm (1808 words)

	[No title]
		Harbor porpoises surface to breath at 10-20 second intervals when they are eating.These whales sometimes make arced leaps when persuing their prey.
		Finless porpoises live in the Indian and western Pacific Oceans and in major rivers in that area.
		Finless porpoises have 26-44 teeth on the maxilla and mandible.
	www.geocities.com /tromp_8/Porpoises.html (662 words)

	Finless porpoise Description
		Finless porpoises are one of the smallest cetaceans.
		When they are born, finless porpoises are between 60 and 90cm (24 - 35in) long.
		Finless porpoises are quite active animals, usually swimming just beneath the surface with sudden, darting movements.
	www.wdcs.org /dan/publishing.nsf/allweb/D075DD7A5CE31C95802569CF00432DB7 (302 words)

	Finless Porpoise (Neophocaena phocaenoides): Fact Sheet (Site not responding. Last check: 2007-10-26)
		Finless Porpoises have a small, curving mouth and unfused neck vertebrae, allowing unrestricted head movement.
		Newborn finless porpoises are mainly fl with some grey on the dorsal ridge area.
		These young porpoises quickly become lighter and after 4 to 6 months attain the uniform light grey colour of adults.
	www.animals-online.be /mmammals/finless_porpoise.html (233 words)

	porpoise - Webled.com
		[ porpoise populations throughout their ranges continue to be threatened ]...
		[ Gaskin D.E. 1992 Status of the harbour porpoise, Phocoena phocoena, in ]...
		Dive Boat Charter from Porpoise Diving, near Oban, Argyll on the West Coast of...
	www.webled.com /porpoise.htm (335 words)

	WWF \| Newsroom
		The expedition also counted Yangtze finless porpoises and scientists warn that the situation is dire for this species as well but remain hopeful that it can survive in the wild.
		No baiji were seen, and the finless porpoise population was estimated at just 1,200 to 1,400 -- roughly half of the1991 population.
		The main threats to the baiji and finless porpoise come from illegal fishing and overfishing, shipping traffic, water deterioration and construction of extensive hydropower and flood control projects.
	www.worldwildlife.org /news/displayPR.cfm?prID=330 (292 words)

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