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Topic: Pantropical Spotted Dolphin


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In the News (Fri 4 Dec 09)

  
  Pantropical spotted dolphin
At birth, this dolphin is unspotted, with a strongly defined cape, a flipper stripe ending at the mouth and a peduncle with a dark upper part and a lighter lower part.
The pantropical spotted dolphins in the Atlantic are on average 215 resp.
Perrin, W.F., Mitchell, E.D., Mead, J.G., Caldwell, D.K., Caldwell, M.C., van Bree, P.J.H. and Dawbin, W.H. Revision of the spotted dolphins, Stenella spp.
ourworld.compuserve.com /homepages/jaap/stenella.htm   (896 words)

  
 CMS: Stenella attenuata, Pantropical spotted dolphin
This is the "Eastern Pacific coastal spotted porpoise" of Perrin (1975) and the "coastal spotted dolphin" of Dizon et al.
Spotted dolphins in the oceanic eastern tropical Pacific aggregate with yellowfin tuna, Thunnus albacares.
The drive fishery for spotted dolphins began in 1959 and is thought to have caused a slight decline in the minimum age attainment of sexual maturity in females.
www.cms.int /reports/small_cetaceans/data/S_attenuata/s_attenuata.htm   (3691 words)

  
 Dolpins Behaviour Page 1 - Dolphins and Whales Window
But if dolphins were equipped with brains notably smaller than those of humans, it would make a powerful case against their having intelligence that approached that of humans (a certain amount of mass is necessary, after all, to allow for sufficient neural connections to be made).
Dolphin brain stem transmission time is faster than that normally found in humans, and is roughly equivalent to the speed found in rats.
The dolphin's dependence on speedy sound processing is evident in the structure of its brain: its neural area devoted to visual imaging is only about one-tenth that of the human brain, while the area devoted to acoustical imaging is about 10 times that of the human brain.
dolphins.jump-gate.com /start_page/behaviour.shtml   (1213 words)

  
 Pantropical Spotted Dolphin -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-06)
The Pantropical Spotted Dolphin (Stenella attenuata) is a ((biology) taxonomic group whose members can interbreed) species of (Any of various small toothed whales with a beaklike snout; larger than porpoises) dolphin found in all the world's temperate and tropical oceans.
Spots are key defining characteristics in adults, though immature individuals are generally uniformly coloured and susceptible to confusion with the (Any of several dolphins with rounded forehead and well-developed beak; chiefly of northern Atlantic and Mediterranean) Bottlenose Dolphin.
The Pantropical Spotted Dolphin is very active and is prone to making large splashy leaps from the sea.
www.absoluteastronomy.com /encyclopedia/P/Pa/Pantropical_Spotted_Dolphin.htm   (764 words)

  
 PANTROPICAL SPOTTED DOLPHIN-- Kids' Planet -- Defenders of Wildlife   (Site not responding. Last check: 2007-11-06)
The Pantropical spotted dolphin has a slender body, a long, narrow beak, and a dark grey dorsal cape and dorsal fin.
The dolphin averages 1.7-2.4m in length and weighs between 90 and 115kg.
The Pantropical Spotted Dolphin eats mostly fish and squid in surface and mid-water regions.
www.kidsplanet.org /factsheets/spotteddolphin.html   (302 words)

  
 Species Profiles — OBIS-SEAMAP
Although unspotted at birth, by adulthood spotted dolphins have varying degrees of white mottling on the dark dorsal cape, which is narrow on the head and sweeps low on the flank in front of the dorsal fin.
In the Atlantic Ocean, pantropical spotted dolphins are found in the Gulf of Mexico, Bay of Campeche, the West Indies, along the Atlantic coast of the United States as far north as Cape Hatteras, and east to the Canary Islands.
In the Indian Ocean, pantropical spotted dolphins are found in the Bay of Bengal, the waters near India and Sri Lanka, the Gulf of Oman and Gulf of Aden, near the Seychelles Islands, and near Madagascar and the Natal Coast of South Africa.
seamap.env.duke.edu /species/tsn/180430   (1635 words)

  
 Pantropical Spotted Dolphin (Stenella attenuata)
These dolphins are usually seen in groups of five to 30, although large herds of 1,000 or more are occasionally observed.
Unlike many other dolphins, groups of pantropical spotted dolphins do not appear to be segregated by sex and age.
In the Pacific, these dolphins are killed incidentally in the course of seining for tuna.
www.nsrl.ttu.edu /tmot1/stenatte.htm   (263 words)

  
 ACS spotted dolphin Cetacean Fact Sheet - American Cetacean Society
Historically, millions of dolphins have been killed in the purse seine tuna fishery, with the spotted dolphin accounting for 80% of the casualties.
The spotted dolphin has a long slim beak containing 35 to 48 small conical teeth in each side of the upper jaw and 34 to 47 small, conical teeth in each side of the lower jaw.
Pantropical spotted dolphins are often seen in the company of other dolphin species, particularly spinner dolphins.
www.acsonline.org /factpack/SpottedDolphin.htm   (912 words)

  
 Digital Library of Dolphin Development (DLDD)   (Site not responding. Last check: 2007-11-06)
Dolphins, whales and porpoises (together called Cetacea), are among the few mammals that have permanently exchanged the terrestrial environment for life in the water.
Dolphin development is poorly understood, because it is very hard to acquire dolphin embryos for study.
This dolphin lives in the tropical regions of the Pacific Ocean, and reaches sizes of 2.1 m (7.1 feet) and 127 kg (280 lbs).
www.neoucom.edu /DLDD/main.html   (344 words)

  
 Spotted Dolphin   (Site not responding. Last check: 2007-11-06)
The impact of the fishery on dolphin populations was documented in the late 1960s (Perrin, 1969) and was one of the issues that led to passage of the Marine Mammal Protection Act in 1972.
All studies were designed to better understand the dynamics of the spotted dolphin population, their ecology and the impact of the fishery upon them.
Concern that the dolphin population was not recovering even though mortality had been low for many years, led to passage of the International Dolphin Conservation Act (IDCPA) of 1997 to conduct three years of population abundance surveys and a series of studies to examine physiological stress in the dolphins.
swfsc.ucsd.edu /PRD/PROGRAMS/POP-ID/case/spotted.html   (627 words)

  
 Fishery Bulletin: Annual estimates of the unobserved incidental k... @ HighBeam Research   (Site not responding. Last check: 2007-11-06)
Annual estimates of the unobserved incidental kill of pantropical spotted dolphin (Stenella attenuata attenuata) calves in the tuna purse-seine fishery of the eastern tropical Pacific.
During the 1960s, the number of dolphins killed by the fishery was estimated to be 200,000-500,000 per year (Wade, 1995), and two stocks of spotted and spinner dolphins were reduced to fractions of their previous sizes (Smith, 1983; Wade et al.
In the present study, we present an estimate of the number of missing dependent northeastern and western-southern offshore spotted dolphin calves in the tuna purse-seine kill from 1973 to 1990 and from 1996 to 2000.
www.highbeam.com /library/doc0.asp?DOCID=1G1:120907575&refid=ip_search   (4694 words)

  
 Pantropical Spotted Dolphin - Wikipedia, the free encyclopedia
In the eastern Pacific, the Dolphin is often found swimming with Yellowfish Tuna (hence the problem with dolphin deaths caused by tuna fishing - see the Human interaction section).
Some such products are approved by the Whale and Dolphin Conservation Trust.
Pantropical Spotted Dolphin by William F. Perrin in Encyclopedia of Marine Mammals pp.
en.wikipedia.org /wiki/Pantropical_Spotted_Dolphin   (698 words)

  
 Atlantic Spotted Dolphin   (Site not responding. Last check: 2007-11-06)
The Atlantic Spotted Dolphin (Stenella frontalis) is a dolphin found in the Gulf Stream of the North Atlantic Ocean.
On account of their similar appearance to other dolphins in their range it is difficult to be sure of the Atlantic Spotted Dolphin's population.
Atlantic Spotted Dolphins are an occasional target of harpoon fishermen and every year some creatures are trapped and killed in gillnets.
www.sciencedaily.com /encyclopedia/atlantic_spotted_dolphin   (540 words)

  
 Pictures of the pantropical spotted dolphin|Stenella attenuata facts
Printouts The Pantropical Spotted dolphin, Stenella attenuata, is a small, toothed whale that has a long, beaklike snout, a sickle-shaped dorsal fin, and sharp teeth.
The spotted dolphin (Stenella attenuata) is by far the most important species from the point of view of its frequency of association with tuna and its use by fishermen for catching tuna (Perrin, 1969).
AKA: spotted dolphin, white-spotted dolphin, bridled dolphin, spotter, spotted porpoise, slender-beaked dolphin Pantropical spotted dolphins are dark gray with lighter undersides and have a gray line from the head to the fluke.
www.thewebsiteofeverything.com /animals/mammals/Cetacea/Delphinidae/Stenella/Stenella-attenuata.html   (388 words)

  
 ADW: Stenella attenuata: Information
The mean age of sexual maturity for northern offshore female spotted dolphins is estimated to be 11.1 years, which is higher than the estimated age of 9.8 years for southern offshore females.
The spotted dolphin is a gregarious animal, swimming in pods of several individuals to several thousand dolphins.
Edwards, E.F. Allometry of Energetics Parameters in Spotted Dolphin (Stenella Attenuata) from the Eastern Tropical Pacific Ocean.
animaldiversity.ummz.umich.edu /site/accounts/information/Stenella_attenuata.html   (1159 words)

  
 Please title this page. (Page 2)   (Site not responding. Last check: 2007-11-06)
Pantropical Spotted Dolphins seem to prefer deep oceanic waters with a surface temperature of greater than 22ºC.It can live for Approximately 45 years.
Thousands of Pantropical Spotted Dolphins have been killed incidentally in fishing gear for the last 30 years; because of this, the population is now around half of its original size.
These slender dolphins are born gray, spotting as they age; their lips tend to be a bright white.
www.ysgolccc.org.uk /bancffos/Lowri4.html   (137 words)

  
 Spotted dolphin (Pantropical) Description
Pantropical spotted dolphins have small flippers with pointed tips, sickle-shaped dorsal fins and a notch in their flukes which also have pointed tips.
Adult pantropical spotted dolphins are between 1.7 and 2.4 metres (5ft 9in - 8ft) long.
The birth weight of pantropical spotted dolphins is not known, but adults weigh between 90 and 115kg (200-255lb).
www.wdcs.org /dan/publishing.nsf/allweb/68313EDD08D03E1B802569D00045BA06   (438 words)

  
 Pantropical Spotted Dolphin   (Site not responding. Last check: 2007-11-06)
Cotton is a 1-to- 2-year-old pantropical spotted dolphin, Regan said.
Marine officials said that despite a 24-hour watch, the 1- to 2-year-old pantropical spotted dolphin lost its equilibrium and could not stabilize itself.
The 1.91m male Pantropical spotted dolphin, nicknamed Yota, was released in waters off Pulau Sulug, 30 minutes by boat from here.
www.conservation.mongabay.com /news/Pantropical_Spotted_Dolphin.htm   (270 words)

  
 The Spotted Dolphin Encounter at Florida's Gulfarium
Daphne is also a Pantropical Spotted dolphin and although young, she is proving to be an excellent student.
Spotted Dolphin Encounters are available between 9 AM and 4 PM, seven days a week for ages 4 and up.
The cost of the Spotted Dolphin Encounter is $125.00 per person who enters the water.
www.gulfarium.com /sde.htm   (399 words)

  
 Marine Dolphins   (Site not responding. Last check: 2007-11-06)
The upper surface of their bodies are fl, but there is a large white patch on the belly between the flippers and a long narrow streak of white extending from this to the flukes.
Pantropical spotted dolphins vary greatly in shape, size, and color.
Newborn pantropical spotted dolphins are born without spots and gain their spots as they reach maturity.
www.wcug.wwu.edu /%7Enarf/dolp/d5.shtml   (478 words)

  
 CMS: Stenella frontalis, Atlantic spotted dolphin
Animals of this species are not always spotted, like the smaller or more gracile dark form occurring in the Gulf Stream and central North Atlantic, or so heavily spotted and therefore almost white like the large form which is found on both sides of the Atlantic.
Atlantic spotted dolphins were consistently found in the shallowest water on the continental shelf and along the shelf break within the 250-m isobath (Davis et al.
The hepatic concentrations of TCPMe and TCPMOH in bottlenose dolphins and Atlantic spotted dolphins were greater than those in the blubber of marine mammals of various regions, which suggested the presence of sources for these chemicals along the Atlantic coast of Florida.
www.cms.int /reports/small_cetaceans/data/S_frontalis/s_frontalis.htm   (2141 words)

  
 Spotted Dolphin Printout- EnchantedLearning.com
The Pantropical Spotted dolphin, Stenella attenuata, is a small, toothed whale that has a long, beaklike snout, a sickle-shaped dorsal fin, and sharp teeth.
It is also known as the Spotted Dolphin, the White-Spotted Dolphin, the Brindled Dolphin, the Spotter, the Spotted Porpoise, and the Slender-beaked Dolphin.
Diet: Spotted dolphins are hunters who find their prey at the surface of the water, eating mostly fish and squid.
www.enchantedlearning.com /subjects/whales/activities/whaletemplates/Spotteddolphin.shtml   (239 words)

  
 Resources on the Pantropical Spotted Dolphin from academic institutions   (Site not responding. Last check: 2007-11-06)
Pantropical Spotted Dolphin - Stenella attenuata: Pantropical Spotted Dolphin Stenella attenuata.
Species, Pantropical spotted dolphin, can be found in 3 Parks: Species, Pantropical spotted dolphin, can be found in 3 Parks.
Manatee: Subsurface and nighttime behaviour of pantropical spotted dolphins in Hawai'i.
mongabay.org /conservation/Pantropical_Spotted_Dolphin.htm   (584 words)

  
 Species Corner: Spotted Dolphins (Stenella spp.)   (Site not responding. Last check: 2007-11-06)
Spotting develops with age in all populations and is most extensive in large adults.
The degree of spotting decreases eastward in the Atlantic and westward in the Pacific.
Spotted dolphins are vigorous swimmers, frequently hurling themselves high into the air.
www.tmmsn.org /mmgulf/stenella.html   (395 words)

  
 Cambridge Public Schools- Morse School: Pantropical Spotted Dolphin   (Site not responding. Last check: 2007-11-06)
The dorsal part of the dolphin is the color of dark gray and covered in pale spots.
The parts of the spotted dolphin are: pectoral fins (on the sides), a dorsal fin (on the middle), and the flippers.
The spotted dolphin is commonly seen with the yellowfin tuna.
www.cps.ci.cambridge.ma.us /morse/Educational/Whale_Project/Rodelatext.html   (418 words)

  
 Dolphins: Atlantic Spotted Dolphin Information and Pictures
The Atlantic Spotted dolphin tends to be more robust, with more spots and darker skin.
Atlantic spotted dolphins have dark purple/grey capes with light spots, and white undersides with dark spots.
Atlantic spotted dolphins have between 32 and 42 teeth in each row of the upper jaw and between 30 and 40 teeth in each row of the lower jaw.
www.worldscreatures.com /water-species/dolphins/atlantic-spotted-dolphin.htm   (192 words)

  
 Dolphins: Pantropical Spotted Dolphin Information and Pictures
This dolphin has a slender yet robust body with a long narrow beak.
On the upper side, there is a dark grey dorsal cape with all dorsal fin, and on some animals there is a distinct band of mid-grey along each side from melon to tail.
Pantropical Spotted Dolphins measure between 1.7-2.4m in length, and weigh between 90-115kg.
www.worldscreatures.com /water-species/dolphins/pantropical-spotted-dolphin.htm   (139 words)

  
 Dolphins (Science Tracer Bullet - Science Reference Services, Libraryof Congress)
Technical papers on dolphin anatomy and physiology, dolphins in captivity, and dolphins in the ocean.
Dolphins and porpoises: a comprehensive, annotated bibliography of the smaller Cetacea.
Contains the proceedings of a Dolphin Breeding Workshop held at the San Diego Zoo under the sponsorship of the Marine Mammal Commission, Dec. 1975.
www.loc.gov /rr/scitech/tracer-bullets/dolphinstb.html   (1251 words)

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