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Sharks typically targeted for their liver oil include the school and gulper shark, and the basking shark (pictured). [1] All three of these species are either endangered [2] [3] or critically endangered [4] due to overfishing according to the IUCN, although a legal targeted fishery for basking sharks no longer exists.
The basking shark has long been a commercially important fish as a source of food, shark fin, animal feed, and shark liver oil. Overexploitation has reduced its populations to the point where some have disappeared and others need protection.
The shark's liver also helps with filtrating the blood and waste while also acting as a storage region for vitamins which is incredibly important; especially if the shark goes a long time without eating or if the shark has extreme amounts of urea within the system, the liver helps with both of these scenarios. [12]
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Niamh Ní Dhrisceoil is used to seeing all types of sea life in her job as a skipper of the Cape Clear Ferry in County Cork, Ireland. However, Niamh was stunned and delighted by the sight of a ...
Cetorhinidae is a family of filter feeding mackerel sharks, whose members are commonly known as basking sharks. It includes the extant basking shark , Cetorhinus , as well as two extinct genera , Caucasochasma and Keasius .
The last sighting of a live basking shark was in 2012, although the species used to be "very common" in New Zealand waters during the mid-late 1990s. The basking shark is the second-largest fish ...
Elasmobranchs lack swim bladders, and maintain buoyancy with oil that they store in their livers.Some deep sea sharks are targeted by fisheries for this liver oil, including the school, gulper and basking sharks (pictured). [1]