- Short-beaked Common Dolphin
name = Short-beaked Common DolphinMSW3 Cetacea|id=14300045]
status = LC
status_system = iucn3.1
status_ref =IUCN2008|assessors=Hammond, P.S., Bearzi, G., Bjørge, A., Forney, K., Karczmarski, L., Kasuya, T., Perrin, W.F., Scott, M.D., Wang, J.Y., Wells, R.S. & Wilson, B.|year=2008|id=6336|title=Delphinus delphis|downloaded=7 October 2008]
image2_caption = Size comparison an average human
phylum = Chordata
genus = "Delphinus"
species = "D. delphis"
binomial = "Delphinus delphis"
binomial_authority = Linnaeus, 1758
range_map_caption = Short-beaked Common Dolphin rangeThe Short-beaked Common Dolphin ("Delphinus delphis") is a species of
Common Dolphin. It has a larger range than the Long-beaked Common Dolphin("D. capensis"), occuring throughout warm-temperate and tropical oceans, with the possible exception of the Indian Ocean.cite book|title=Whales, Dolphins and Other Marine Mammals of the World|author=Shirihai, H. & Jarrett, B.|year=2006|page=171–174|isbn=0-691-12757-3] There are more Short-beaked Common Dolphins than any other dolphin species in the warm-temperate portions of the Atlantic and Pacific Oceans.cite book|title=Encyclopedia of Marine Mammals|author=Perrin, W.|chapter=Common Dolphins|editor=Perrin, W.; Wursig, B. and Thewissen, J.|page=245–248|year=2002|publisher=Academic Press|isbn=0-12-551340-2] It is also found in the Carribbean and Mediteranean Seas.
The Short-beaked Common dolphin is a medium sized dolphin, smaller than the more popular bottlenose dolphin. Adults range between convert|1.6|and|2|m|ft|lk=on, long, and can weigh between convert|70|and|235|kg|lb|lk=on, although a range between convert|70|and|110|kg|lb|lk=on is more common. Males are generally longer and heavier. The color pattern on the body is unusual. The back is dark and the belly is white, while on each side is an
hourglasspattern colored light grey, yellow or gold in front and dirty grey in back.cite book|title=Guide to Marine Mammals of the World|author=Reeves, Stewart, Clapham, Powell|page=388|id=ISBN 0-375-41141-0] It has a long, thin rostrum with up to 50–60 small, sharp, interlocking teeth on each side of each jaw. [cite web|title=The Common Dolphin|url=http://library.thinkquest.org/17963/genus-Delphinus.html|accessdate=2008-07-03]
The Short-beaked Common Dolphin is a member of
common dolphingenus, "Delphinus" within the dolphin family, Delphinidae. Until the mid-1990's, the different forms within "Delphinus" were not recognized as separate species, but were all considered members of the species "D. delphis". Currently, there are two recognized species of "Delphinus" - the Short-beaked Common Dolphin and the Long-beaked Common Dolphin ("D. capensis").MSW3 Cetacea|id=14300043] The Short-beaked Common Dolphin is generally smaller than the Long-beaked Common Dolphin and has a shorter rostrum.
Short-beaked Common Dolphins can live in aggregations of hundreds or even thousands of dolphins. They sometimes associate with other dolphin species, such as
pilot whales. They have also been observed bow ridingon baleen whales, and they also bow ride on boats. It is a fast swimmer, and breaching behavior and arial acrobatics are common with this species.
The Short-beaked Common Dolphin has a varied diet consisting of many species of fish and squid that live less than convert|200|m|ft|lk=on deep.
The Short-beaked Common Dolphin has a
gestation periodof 10 to 11 months. The newborn calf has a length of between convert|70|and|100|cm|ft|lk=on and weights about convert|10|kg|lb|lk=on. For the Black Seapopulation, weaningoccurs at between 5 and 6 months, but occurs later (up to about 19 months) in other areas. Typical interbirth interval ranges from 1 year for the Black Sea population to 3 years for eastern Pacific Oceanpopulations. Age of sexual maturity also varies by location, but can range between 2 and 7 years for females and 3 and 12 years for males.
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