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Common thresher caught off the coast of Southern California: Bigeye thresher: Alopias superciliosus: Alopiidae Vulnerable [4] Bigeye thresher: Leopard shark: Triakis semifasciata: Carcharhinidae: Least concern [5] Leopard shark in kelp with two blacksmith damselfish: Gray smoothhound: Mustelus californicus: Carcharhinidae Least concern [6]
These management measures seem to have successfully reduced fishing mortality and halted the population decline from the 1980s; the status of the leopard shark off California is regarded as secure, with demographic models estimating an annual population increase of 3–6% with sustainable fishing. [7]
The California Office of Environmental Health Hazard Assessment has issued a safe advisory for any fish caught in Elkhorn Slough due to elevated levels of mercury and PCBs. In addition, there is a notice of "DO NOT EAT" for leopard sharks and bat rays for women 18–45 years old and children 1–17 years old. [19]
Video taken by SLO County park ranger specialist Tim Faes shows more than 50 leopard sharks of various sizes swimming in shallow waters just off Pirate’s Cove on July 4, 2022.
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Park volunteers and biologists at California’s Cabrillo intertidal habitat recently stumbled across an unexpected find. They discovered juvenile Leopard Sharks in large numbers, hunting in the ...
Broadnose sevengill shark (Notorynchus cepedianus), including a 10-foot (3.0 m) long female caught in 2010 [25] The Aquarium is currently conducting research to assess population status of the Broadnose Sevengill breed in the San Francisco Bay with the help of other institutions. Leopard shark (Triakis semifasciata) Soupfin (Galeorhinus galeus)
Surf Life Saving New South Wales, which protects dozens of beaches along the state’s coast, including Sydney’s iconic Bondi Beach, uses drones in 50 locations. But a spokesperson told CNN that ...