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Wednesday, 23 June 2021

Scientists document juvenile great white sharks' diet

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Scientists document juvenile great white sharks' diet
Scientists document juvenile great white sharks' diet

Scientists from Australia say the most detailed study to date showed that great white sharks hunted more seabed-dwelling prey than they expected.

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RESTRICTIONS: Broadcast: NO USE JAPAN, NO USE TAIWAN Digital: NO USE JAPAN, NO USE TAIWAN Scientists from Australia say the most detailed study to date showed that great white sharks hunted more seabed-dwelling prey than they expected.

This paper is published in Frontiers in Marine Science.

Researchers from the University of Sydney studied the stomach content of 50 juvenile great white sharks caught by the New South Wales Shark Mesh Program, according to a news release from the university.

Scientists found mid-water fish like salmon made up 32 percent of the sharks' diet, bottom-dwelling fish such as stargazers made 17 percent, reef fish like Eastern Blue gropers 5 percent, and batoid fish like rays made 15 percent.

Sharks also eat cephalopods, and they usually begin feeding on marine mammals and other sharks after growing larger in size.

The study tracked the seasonal migration of Australia's great white sharks and found that they ranged from the coastal seas of southern New Queensland to northern Tasmania.

Sharks range further as they mature.

RUNDOWN SHOWS: 1.

Juvenile great white sharks eat more bottom-dwelling fish than expected 2.

Researchers studied the stomach content of sharks caught in Australia's shark mesh 3.

Breakdown of shark diet by abundance 4.

Shark migration path on seas east of Australia VOICEOVER (in English): "Scientists from Australia say the most detailed study to date showed that great white sharks hunted more seabed-dwelling prey than they expected.

This paper is published in Frontiers in Marine Science." "Researchers from the University of Sydney studied the stomach content of 50 juvenile great white sharks caught by the New South Wales Shark Mesh Program, according to a news release from the university." "Scientists found mid-water fish like salmon made up 32 percent of the sharks' diet, bottom-dwelling fish such as stargazers made 17 percent, reef fish like Eastern Blue gropers 5 percent, and batoid fish like rays made 15 percent." "Sharks also eat cephalopods, and they usually begin feeding on marine mammals and other sharks after growing larger in size." "The study tracked the seasonal migration of Australia's great white sharks and found that they ranged from the coastal seas of southern New Queensland to northern Tasmania.

Sharks range further as they mature." SOURCES: Frontiers in Marine Science, University of Sidney https://www.frontiersin.org/articles/10.3389/fmars.2020.00422/full https://phys.org/news/2020-06-great-white-shark-diet-scientists.html *** For story suggestions please contact tips@nextanimation.com.tw For technical and editorial support, please contact: Asia: +61 2 93 73 1841 Europe: +44 20 7542 7599 Americas and Latam: +1 800 738 8377

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