Eye lens radiocarbon reveals centuries of longevity in the Greenland shark ( Somniosus microcephalus )

Author:

Nielsen Julius1234,Hedeholm Rasmus B.2,Heinemeier Jan5,Bushnell Peter G.6,Christiansen Jørgen S.4,Olsen Jesper5,Ramsey Christopher Bronk7,Brill Richard W.89,Simon Malene10,Steffensen Kirstine F.1,Steffensen John F.1

Affiliation:

1. Marine Biological Section, University of Copenhagen, Strandpromenaden 5, 3000 Helsingør, Denmark.

2. Greenland Institute of Natural Resources, Post Office Box 570, Kivioq 2, 3900 Nuuk, Greenland.

3. Den Blå Planet, National Aquarium Denmark, Jacob Fortlingsvej 1, 2770 Kastrup, Denmark.

4. Department of Arctic and Marine Biology, UiT The Arctic University of Norway, 9037 Tromsø, Norway.

5. Aarhus AMS Centre, Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, 8000 Aarhus, Denmark.

6. Department of Biological Sciences, Indiana University South Bend, 1700 Mishawaka Avenue, South Bend, IN, USA.

7. Oxford Radiocarbon Accelerator Unit, University of Oxford, Dyson Perrins Building, South Parks Road, Oxford OX1 3QY, UK.

8. National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Science Center, James J. Howard Marine Sciences Laboratory, 74 Magruder Road, Highlands, NJ 07732, USA.

9. Virginia Institute of Marine Science, Post Office Box 1346, Gloucester Point, VA 23062, USA.

10. Greenland Climate Research Centre, Greenland Institute of Natural Resources, Post Office Box 570, Kivioq 2, 3900 Nuuk, Greenland.

Abstract

Deep living for centuries We tend to think of vertebrates as living about as long as we do, give or take 50 to 100 years. Marine species are likely to be very long-lived, but determining their age is particularly difficult. Nielsen et al. used the pulse of carbon-14 produced by nuclear tests in the 1950s—specifically, its incorporation into the eye during development—to determine the age of Greenland sharks. This species is large yet slow-growing. The oldest of the animals that they sampled had lived for nearly 400 years, and they conclude that the species reaches maturity at about 150 years of age. Science , this issue p. 702

Funder

National Geographic Foundation

Carlsberg Foundation

Danish Centre for Marine Research

Greenland Institute of Natural Resources (GINR)

Danish Council for Independent Research

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference50 articles.

1. H. B. Bigelow W. C. Schroeder “ Sharks ” in Fishes of the Western North Atlantic A. E. Parr Ed. (Yale University New Haven CT 1948) pp. 516–523.

2. Movements of Arctic and northwest Atlantic Greenland sharks ( Somniosus microcephalus ) monitored with archival satellite pop-up tags suggest long-range migrations

3. Hansen P. M., International Commission for the Northwest Atlantic Fisheries Special Publication 4, 172–175 (1963).

4. S. Henriksen O. Hilmo Eds. Norsk Rødliste for Arter (Artsdatabanken Norge 2015).

5. P. M. Kyne C. A. Simpendorfer Adaptive physiology and conservation in Sharks and Their Relatives J. C. Carrier J. A. Musick M. R. Heithaus Eds. (CRC Press 2010) pp. 37–71.

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