Life Lines by Dr. Dolittle

Sponsored by the American Physiological Society

Tag Archive for ‘fisheries’

Can lobsters lead us to the proverbial ‘Fountain of Youth’?

When thinking about lobsters, some people may think of: Aside from being a favorite menu item, did you know that American lobsters (Homarus americanus) are one of the largest bottom dwelling (i.e. benthic) invertebrate in the ocean? In fact, they seem to be able to grow indefinitely and have been observed to reach over 1 meter in length? For this reason, scientists suspect they may be a rather long-lived species […]

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Bioaccumulation of metals in sharks

A new study highlights the impact of metal accumulation (cobalt, manganese, nickel, copper, iron and mercury) on the health of twenty individual sharks representing 8 species that were accidentally caught by fisheries in Brazil. Necropsies of the animals showed high levels of metals in the liver, gills and rectal glands. Perhaps not surprisingly, larger animals had more accumulation of the metals in their gills than smaller animals. Higher accumulation in […]

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