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Hammerhead sharks are overfished all around the world for their fins and liver oil. As of 2020 an estimated 1.3 to 2.7 million fins are collected each year from smooth and scalloped hammerhead sharks for the shark-fin trade. [34] DNA barcoding can assist in the identification of scalloped hammerhead remains to aid conservation efforts. [35]
There are numerous species of sharks found in the Pacific Ocean; of these sharks, 36 [1] have habitat ranges throughout the coastlines and surrounding waters of California, as identified below. Identifications include common names; scientific names; the taxonomic rank, family; conservation statuses according to IUCN; and an image.
In fisheries around the world, there is a list of rules that people must follow which are in place as a conservation effort. These rules protect the conservation dependent listing of Scalloped Hammerhead shark (Sphyrna lewini) under the EPBC Act is one major step for conservation of endangered species. [7]
The great and the scalloped hammerheads are listed on the World Conservation Union's 2008 Red List as endangered, whereas the smalleye hammerhead is listed as vulnerable. The status given to these sharks is as a result of overfishing and demand for their fins, an expensive delicacy.
The great hammerhead is extremely vulnerable to overfishing due to its low overall abundance and long generation time. Assessment of its conservation status is difficult, as few fisheries separate the great hammerhead from other hammerheads in their reported catches. This species is listed as globally critically endangered on the IUCN Red List ...
An IUCN Red List critically endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. [1] As of 2021, of the 120,372 species currently tracked by the IUCN, there are 8,404 species that are considered to be critically ...
California has now conserved 25.2% of its lands and 16.2% of its coastal waters with a little more than five years left to conserve 30% of each, officials say. With 25% of state land protected ...
Status Distribution Bonnethead: Sphyrna tiburo: LR/lc Northern South American coast, Gulf of Mexico, Southern California coast Great hammerhead: Sphyrna mokarran: EN Tropical and subtropical coasts Scalloped bonnethead: Sphyrna corona: NT California and Northwest South American coasts Scalloped hammerhead: Sphyrna lewini: EN