It is of a generally dark brown colour, with a pale underbelly and a dark mask across the face. Between 1997 and 2001, caspian seals pusa caspica suffered a series of mass mortalities, affecting s of animals, which raised. For any form of publication, please include the link to this page and give the creator credit in this case philippe rekacewicz le monde diplomatique assisted by. It is the descendant of a genetically admixed canid of 72% gray wolf and 28% ethiopian wolf ancestry. Caspian seal pusa caspica is countered as a unique, endangered species, restricted only to the caspian sea. Historical decline of the caspian seal pusa caspica gridarendal.
The caspian seal, pusa caspica, is an icebreeding phocid endemic to the caspian sea. The caspian seal pusa caspica has declined by more than 90% since. Pusa caspica, caspian seals, are one of the most numerous and widespread of. Pusa is a genus of the earless seals, within the family phocidae. High death rate of caspian seal has been reported owing to chemical infections. Files are available under licenses specified on their description page. They are found not only along the shorelines, but also on the many rocky islands and floating blocks of ice that dot the caspian sea. The three species of this genus were split from the genus phoca, and some sources still give phoca as an acceptable synonym for pusa the three species in this genus are found in arctic and subarctic regions, as well as around the caspian sea.
From a population estimated at more than one million in the early years of the twentieth century, population estimates now vary between 110 000 and 350 000. All structured data from the file and property namespaces is available under the creative commons cc0 license. In the early twentieth century, nearly 100 000 seals were hunted each year. An pusa caspica in uska species han mammalia nga syahan ginhulagway ni gmelin hadton 1788. The caspian seal pusa caspica is one of the smallest members of the earless seal family and unique in that it is found exclusively in the brackish caspian sea. Mammal species of the world a taxonomic and geographic reference. Based on the working hypothesis that the pinnipeds are, and always have been, generally. Phil myers editor, instructor, museum of zoology, university of michiganann. Espesye sa mamipero nga una nga gihulagway ni gmelin ni adtong 1788 ang pusa caspica. However, at present there are only around 7 to 15 thousand breeding females, meaning the population has very low reproductive capacity. In winter, and cooler parts of the spring and autumn season, these marine mammals populate the.
Ginklasipika han iucn an species komo nangangaratan. It is endemic to the caspian sea in central asia, the worlds largest landlocked water body. For more than 100 years, hunting of seal pups was carried out in the frozen north caspian area each winter. The caspian seal pusa caspica is a smallbodied phocid pinniped, belonging to the phocina group of northern true seals. Pdf the caspian seal, pusa caspica, is an icebreeding phocid endemic to the caspian sea. Pdf breeding behavior and pup development of the caspian seal. Unlike most marine mammals, the sea otters primary form of insulation is an exceptionally thick coat of fur, the. Between 1997 and 2001, caspian seals pusa caspica suffered a series of mass mortalities, affecting. The topic of pinniped biogeography was probably first addressed by sclater 1897, who postulated origin of the group in southern oceans. The african golden wolf canis anthus or canis lupaster is a canine native to north africa and the horn of africa. Ang pusa caspica sakop sa kahenera nga pusa sa kabanay nga phocidae. Historical decline of the caspian seal pusa caspica. Effect of arousal state and increased respiratory drive on.
Breeding behavior and pup development of the caspian seal, pusa. Pups are weaned in 4 5 weeks, and females mate around this time after which they molt. The role of canine distemper virus and persistent organic. One theory is that they are direct descendants of ringed seals pusa hispida. The caspian seal pusa caspica population has declined by more than 90 per cent since the start of the 20th century, falling from more than 1 million individuals in 1900 to around 100 000 today cep, 2007.
Seo advice for en in this section we provide pointers on how you can to optimize your web page so it can be found more easily by search engines and how to make it r. It is listed as least concern on the iucn red list. Pagka karon wala pay siak nga nalista ubos niini niya. A histopathology study of caspian seal pusa caspica phocidae, mammalia liver infected with trematode, pseudamphistomum truncatum rudolphi, 1819. An pusa caspica in nahilalakip ha genus nga pusa, ngan familia nga phocidae. Pinniped phylogeny and a new hypothesis for their origin.
It occurs in senegal, nigeria, chad, morocco, algeria, tunisia, libya, kenya and egypt, and in tanzania. The european polecat mustela putorius also known as the common ferret, black or forest polecat, foumart from middle english fulmard, meaning foul, and mearth, meaning marten, or fitch as well as some other names is a species of mustelid native to western eurasia and north morocco. Culturedriven mortality in caspian seal pusa caspica at southern. In this study, i examined the cardiorespiratory patterns of pacific harbour seal pups phoca vitulina richardsi under normoxicnormocarbic air, hypoxicnormocarbic 15. The sea otter enhydra lutris is a marine mammal native to the coasts of the northern and eastern north pacific ocean. Outbreaks of emerging and reemerging viruses in animals inflict huge economic loses and ecologic impacts on livestock and wildlife populations, respectively. Growth of leatherback sea turtles dermochelys coriacea in captivity with inferences on growth in the wild t. A histopathology study of caspian seal pusa caspica phocidae. Adult sea otters typically weigh between 14 and 45 kg 31 and 99 lb, making them the heaviest members of the weasel family, but among the smallest marine mammals. It is unclear how many seals remain in the caspian sea.