Exp Gerontol 2008 Aug 01;438:734-8. doi: 10.1016/j.exger.2008.04.015.

Longevity and lack of senescence in the red sea urchin Strongylocentrotus franciscanus.

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The red sea urchin Strongylocentrotus franciscanus is a long-lived species and may live in excess of 100 years based on tagging studies in the field and corroboration from radiocarbon analyses as reported in the literature. Size-specific survival estimates reported here show no change in annual survival probability across the 6 largest 0.5 cm size classes from 14.6 to 18.1cm. In addition to no change in survival probability there is no reduction in reproductive capacity with size. Red sea urchins show no evidence of senescence and so do not fit well within the context of the disposable soma theory of the evolution of longevity.

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Genes referenced: LOC100887844