17/12/2019 · The Irrawaddy dolphin is primarily threatened by bycatch, the accidental capture of aquatic animals in fishing gear. Protect endangered species at World Wildlife Fund. Learn about the ways WWF works to conserve a future where people live in harmony with nature. Status. IUCN: Critically Endangered Mekong Population,. IUCN Red List Entry. Body Length. Up to 275cm. Weight. Up to 250kg. The Irrawaddy is a shy, small dolphin that is dark grey in color with a pale underside, a small rounded dorsal fin, and a bluntly rounded head. The Mekong Irrawaddy dolphin is the proud symbol of the Mekong River and. Irrawaddy dolphins, Orcaella brevirostris Owen in Gray, 1866, aka Mekong or Mahakam River dolphin, reach 2-2.75 m in length. The color of Irrawaddy dolphins is dark blue to dark gray ranging to pale gray, with a pale ventral under side. They have a high rounded forehead and no beak. Irrawaddy dolphins are not known to be particularly acrobatic or showy, but their history of close associations with fishing boats makes them approachable for dolphin watching in some areas of Southeast Asia where they are considered the main focus of marine tourism.
Irrawaddy dolphins feeding in close proximity to a fishing vessel in Sarawak, Malaysia: Photo courtesy Cindy Peter/Sarawak Dolphin Project. Irrawaddy dolphins off the coast of Sarawak. Photos Gianna Minton/Sarawak Dolphin Project Threats: Bycatch, habitat loss Habitat: Estuarine, coastal/nearshore Diet: Fish IUCN Conservation status: Endangered. IUCN conservation status:. The Irrawaddy dolphin has an instantly recognisable, charismatic rounded face and head with no beak; they look like baby belugas, only with a dorsal fin. Irrawaddys have expressive faces thanks to their moveable lips and have creases around their necks as they are able to move their heads in all directions. Request PDF On Jan 1, 2004, B.D. Smith and others published Status, ecology and conservation of Irrawaddy dolphins Orcaella brevirostris in Malampaya Sound, Palawan, Philippines Find, read and cite all the research you need on ResearchGate. The Irrawaddy Dolphin and Finless Porpoise are now endangered species, according to the latest update of the IUCN Red List. Accidental entanglement in.
The Irrawaddy dolphin has a rounded head that overhangs the mouth and a crescent-shaped blowhole positioned to the left of midline. A posterior neck crease is visible in some individuals and a shallow dorsal groove runs from the neck crease to the dorsal fin, a feature absent in the snub-fin dolphin. Conservation Status of Dolphin Species of Peam Krasop Wildlife Sanctuary PKWS, Southwestern Cambodia 9th Annual Meeting of the Association for Tropical Biology and Conservation Asia-Pacific Chapter 30 March – 2 April, 2015 Himawari Hotel Apartments, Phnom Penh, Cambodia Brian D. Smith, Sun Kong, Lieng Saroeun and Lou Vanny.
Basic facts about Irrawaddy Dolphin: lifespan, distribution and habitat map, lifestyle and social behavior, mating habits, diet and nutrition, population size and status. Search query Search Twitter. Saved searches. Remove; In this conversation. Verified account Protected Tweets @ Suggested users Verified account Protected Tweets @ Verified account Protected Tweets @ Language: English. Bahasa Indonesia; Bahasa Melayu.
The Australian snubfin dolphin is listed on Appendix II of the Convention on the Conservation of Migratory Species of Wild Animals. It is listed on Appendix II as it has an unfavourable conservation status or would benefit significantly from international co-operation organised by tailored agreements. CITES. Irrawaddy dolphin is listed on Appendix I as threatened with extinction and on the IUCN Red lists as CR - Critically endangered. IUCN, 2012 Irrawaddy dolphins can be found throughout the tropical and subtropical Indo-Pacific region; along the. This chapter discusses the characteristics, taxonomy, distribution, abundance, and ecology of the Irrawaddy dolphin or Orcaella brevirostris. Orcaella has been placed in the monotypic family Orcellidae, the family Delphinapteridae along with the beluga, Delphinapterus leucas, and in the family Monodontidae that includes both the beluga and.
Rorquals are the largest group of baleen whales, with nine species in two genera. They include the largest animal that has ever lived, the blue whale, which can reach 190 tonnes, the fin whale can easily reach 50 tonnes, and even the smallest of the group, the northern minke whale, reaches 9 tonnes.
Conservation measures that seek to aid in the recovery of Irrawaddy dolphin populations must therefore address the socioeconomic factors that indirectly affect their survival, making Irrawaddy dolphin conservation projects an ideal focus for a study on the socioeconomic dimension of. The Irrawaddy dowphin Orcaella brevirostris is a euryhaline species o oceanic dolphin foond in discontinuous subpopulations near sea coasts an in estuaries an rivers in pairts o.
Its flippers are long and wide, with curver leading edges and rounded tips. The Irrawaddy Dolphin has a uniform dark blue-grey to medium grey, with a paler grey underside. It has a relatively small size. Behaviour Irrawaddy Dolphins are slow swimmers. They are shy of boats and are not known to bow-ride, and generally dive when alarmed. In the Philippines, the few Irrawaddy dolphins of Malampaya Sound Palawan appear to be geographically isolated from other sub-populations, which could earn that population the status of Critically Endangered. There, the dolphin population is in immediate danger of extirpation due to low numbers, limited range and high mortality. Irrawaddy dolphin. In 2008, the IUCN Red List changed its assessment of the Irrawaddy dolphin Orcaella brevirostris from data deficient to vulnerable. Currently, five out of the seven sub-populations of Irrawaddy dolphin are categorized as critically endangered. 18/11/2019 · Irrawaddy dolphin now classified as “endangered” species by IUCN The International Union for Conservation of Nature IUCN has recently raised the status of Irrawaddy dolphin from “vulnerable” to “endangered” as its numbers have fallen by half over the past six decades, according to The Irrawaddy.
List users interpret the changes between the Red List updates, a summary of species that have changed category between 2016 IUCN Red List version 2016.3 and 2017 IUCN Red List version 2017-3 and the reasons for these changes is provided in the table below. Irrawaddy dolphin. Quite the same Wikipedia. Just better. Live Statistics. English Articles. Improved in 24 Hours. Added in 24 Hours. Languages. Recent. Mekong river guards burn confiscated gillnets removed from the core zone of Mekong river dolphin habitat. Peter Thomas, Marine Mammal Commission The Irrawaddy dolphin Orcaella brevirostris population in the Mekong River has been reduced to fewer than 100 individuals, primarily due to entanglement in fishing nets. and more saline waters compared to Irrawaddy dolphins. Conservation Status: Similar to the Irrawaddy dolphin, the finless porpoise is considered Vulnerable by the IUCN due to at least a 30 percent reduction in their range-wide population. Finless porpoises are extremely vulnerable to entanglement in gillnets. The Irrawaddy dolphin is a species of oceanic dolphin found in near sea coasts and in estuaries and rivers in parts of the Bay of Bengal and Southeast Asia. Although sometimes called the Irrawaddy river dolphin, it is not a true river dolphin, but an oceanic dolphin that lives in brackish water near coasts, river mouths and in estuaries.
Anders dan de andere grondeldolfijnen, de witte dolfijn en de narwal, leeft deze soort niet rond de noordpool, maar in de tropische wateren van Zuidoost-Azië, zowel in zee als in rivieren, waaronder de door Myanmar stromende Irrawaddy, waar het dier zijn naam aan dankt. Irrawaddy Dolphins. What are Irrawaddy Dolphins and why are WWF protecting them? Status: Threats and conservation efforts already in place. The Irrawaddy dolphin is listed as ‘critically endangered’ on the internationally established. threat ranking, the International Union for the Conservation of Nature’s IUCN Red List. It.
Facts Summary: The Irrawaddy Dolphin Orcaella brevirostris is a species of concern belonging in the species group "mammals" and found in the following areas: Bangladesh, Brunei Darussalam, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, Vietnam. is likely to be a separate subspecies of Irrawaddy dolphin, thus increasing its conservation importance. The Mekong dolphin sup‐population is classified as Critically Endangered by the IUCN Smith and Beasley 2004, which indicates that without adequate protection the.
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