They are usually seen travelling in groups of 100 to 500 animals, but they can be found socializing with up to 1000 individuals! They have a stocky build, a small fin in relation to the size of the body, conspicuously small flippers. NOAA Fisheries estimates population size in its stock assessment reports.While the worldwide population of Fraser's dolphins is unknown, scientists estimate that at least 100,000 to 289,000 Fraser’s dolphins live in the eastern tropical Pacific Ocean.To manage Fraser's dolphins in U.S. waters, we have divided them into three stocks: the Hawaiian stock, the northern Gulf of Mexico stock, and the western North Atlantic stock. The under body is typically a creamy white color, however some d…
The Fraser’s dolphin is, just like the striped dolphin, quite shy. It always looks for the biggest prey available.Both genders reach sexual maturity at about seven years of age, but possibly females can be mature a little earlier. It wasn't until 1971 that the whole body of a Fraser's dolphin, as it was by then becoming known, was discovered. Fraser’s dolphin / Golfinho de fraser.
The upper side is a gray-blue to gray-brown. They are easily recognized by a black/grey stripe down their flank from eye to the anus, with a brownish-grey topside and a … There is a dark stripe under this line. In the eastern Pacific Ocean, this dolphin often gets entangled in nets targeting tuna, but in regions near the Philippines, more than 800 dolphins are captured annually to use their meat or as bait for other species.This dolphin does not have any known natural predator, but some think that killer whales and sharks can attack them, as in the case of other cetaceans.Despite the threats, Fraser’s dolphins are still abundant in their range of distribution. During the first half of the twentieth century, the knowledge about this species came only from some bones until 1971 when scientist rediscovered the species thanks to the sighting of a live specimen in 1970.The name of this dolphin is in honor of Francis Fraser, its discoverer in 1956. Pods seldom follow boats and may be timid and playful although in some areas they prove to be more accessible.This species has a conservation status as “Least Concern” on the Red List of the International Union for the Conservation of Nature (IUCN). Seagulls can also associate with this dolphin to feed themselves.The pods move fast, and a single Fraser’s dolphin swims in a manner described as “ostentatious” and “aggressive,” leaving a trail of foam in its wake.
In terms of color Fraser’s dolphin has a grayish brown to grayish blue colored upper body with a cream-colored and dark blue line that runs from its beak to its anus. Fraser's Dolphin Facts and Photos on this Dolphin that Inhabits Deep Oceans: Fraser's Dolphin, Lagenodelphis hosei, live in deep, warm temperate, subtropical and tropical oceans, including the Pacific, and in some areas of the Indian and Atlantic Oceans. The Fraser’s dolphin was scientifically described for the first time in 1956 Although the first specimen analyzed was in Borneo in 1895. There are no specific research or conservation strategies, but the species is in Appendix II of CITES, in the group of species which its commercial fishing requires control.http://www.iucnredlist.org/details/11140/0,http://www.cms.int/reports/small_cetaceans/data/L_hosei/L_hosei.htm,http://www.nmfs.noaa.gov/pr/species/mammals/cetaceans/frasersdolphin.htm,https://en.wikipedia.org/wiki/Fraser%27s_dolphin. However, it continually faces the danger of bycatch. It is one of the most recently recognized cetaceans. However the species is still not nearly as well understood as its more coastal cousins.
The Fraser’s dolphin dwells between the latitudes 30° north and 30° south in the Pacific, Atlantic, and Indian oceans but it reaches places outside of its range of distribution in Australia, France, Scotland, and Uruguay, perhaps due to climate change.It is present in Australia, Thailand, China, Brazil, Costa Rica, Dominica, Ecuador, Senegal, Solomon Islands, Cape Verde, Taiwan, Venezuela, Argentina, Angola, Comoros Islands, Japan, Kiribati, Madagascar, South Africa, Spain, Costa Rica, Oman, Palau, French Polynesia, Panama, Micronesia, Philippines, Sri Lanka and Saint Vincent and the Grenadines.It inhabits tropical and subtropical waters with depths greater than 1,000 meters in areas near the coasts, or areas of the continental shelf.Their diet is composed of mesopelagic fish, cuttlefish, squid and shrimp. The dorsal finand beak are also insubstantial. The Fraser’s dolphin was scientifically described for the first time in 1956 Although the first specimen analyzed was in Borneo in 1895.
The pods of this dolphin are made of 10 to 100 individuals, and sometimes they create larger groups up to 1,000 dolphins. This cetacean is polygamous, and the mothers can give birth once every two years.Mating appears to occur during the summer months. But they can be more approachable in other areas, they even tend to go bow riding with boats.
There is no knowledge about possible courtship processes among the couple. The gestation period lasts between 10 and 12.5 months, after which the female gives birth in spring or summer to a single offspring that measures about 1 meter in length.The life expectancy of this dolphin is approximately 16 or 17 years although in Japan an individual of 17 years and a half was found.It is a marine mammal that shows high sociability. They have stocky bodies with a small triangular-shaped dorsal fin that tapers back and small flippers when compared to other dolphin species.
No global population estimates exist.The dolphin is normally sighted in deep tropical waters; between,The species is also relatively common in the,The Southeast Asian populations of Fraser's dolphins are listed on Appendix II,In addition, Fraser's dolphin is covered by Memorandum of Understanding for the Conservation of Cetaceans and Their Habitats in the Pacific Islands Region (,Biographical Memoirs of Fellows of the Royal Society,"Convention on Migratory Species page on the Fraser's dolphin",10.2305/IUCN.UK.2012.RLTS.T11140A17807828.en,Voices in the Sea - Sounds of the Fraser's dolphin,https://en.wikipedia.org/w/index.php?title=Fraser%27s_dolphin&oldid=955681551,Creative Commons Attribution-ShareAlike License,This page was last edited on 9 May 2020, at 05:18.