sixgill shark

26346). Ascension island seems to be a good destination for sixgills, but it is unfortunately very far away and exhausting to get there. In the eastern Atlantic, it has been caught from Iceland to Namibia, in the Indo-Pacific it has been caught from Madagascar north to Japan and east to Hawaii[8] and in the Mediterranean it has been caught in Greece and Malta.

The bluntnose sixgill shark can grow to 5.5 m (18 ft),[5] and possibly up to 8 m (26 ft). Males and females are thought to meet seasonally between May and November. International Union for the Conservation of Nature, 10.2305/IUCN.UK.2005.RLTS.T10030A3155348.en, http://fishbull.noaa.gov/1004/17mcfarl.pdf, "Sizing ocean giants: patterns of intraspecific size variation in marine megafauna", https://doi.org/10.1016/j.dsr2.2014.04.005, "Φωτογραφίες: Έπιασαν καρχαρία τεσσάρων μέτρων στον Αστακό Αιτωλοακαρνανίας", "Preliminary study on the use of neural arches in the age determination of bluntnose sixgill sharks (, "Rarely seen shark sighted in Ormoc Bay | MindaNews", "Scientists studying remains of pregnant sixgill shark found on Vancouver Island", "İzmir'de karaya vurdu! Snout broadly rounded, body fusiform (Ref.

The bluntnose sixgill shark (Hexanchus griseus), often simply called the cow shark, is the largest hexanchoid shark, growing to 20 ft (6.1 m) in length. The Sixgill Sense platform unifies and streamlines all the complex steps in end-to-end machine learning. [citation needed] Females reach sexual maturity at 4.5 m (15 ft) in length[3] and 18–35 years in age,[citation needed] while males reach sexual maturity much earlier at 3.15 m (10.3 ft) in size[1] and 11–14 years in age. They also get stains/spots on their neural arches, and the number of stains increase as they get older. Source: Atlas of Living Australia. The bluntnose sixgill shark is a generalist feeder primarily foraging nocturnally on a wide variety of prey items. The first scientific description of the bluntnose sixgill shark was authored in 1788 by Pierre Joseph Bonnaterre. The related living species include the dogfish, the Greenland shark, and other six- and seven-gilled sharks. [3] It is usually found 180–1,100 m (590–3,610 ft) from the surface, inhabiting the outer continental shelf, but its depth range can extend from 0–2,500 m (0–8,202 ft). A feeding behavior analysis displayed that the six-gill sharks are able to utilize a bite of food compared to other aquatic vertebrates. New pups are also born with a lighter belly color than adults. At a mature length of about 14 feet, they are one of the top ten largest predatory sharks of the world – and they not only live in Puget Sound, they can often be found swimming directly below the Aquarium’s pier. カグラザメ(神楽鮫、Hexanchus griseus、英名:Bluntnose sixgill shark)は、カグラザメ目カグラザメ科に属するサメの一種。, 全長6m。背側の体色は灰色か褐色でオリーブがかっていることもある。腹側に行くにつれて白色になる。背鰭は1基で、体の後方に位置している。吻は扁平で、大きくカーブしている。6対の鰓裂をもつ。現生の板鰓類の鰓裂はほとんどが5対であり、他に6対の鰓裂をもつ板鰓類は、シロカグラ H. nakamurai、Atlantic sixgill shark H.vitulus、ラブカ Chlamydoselachus anguineus、African frilled sharkC.

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