Thursday 4 April 2013

Pacific shark species absence

Artefacts offer Pacific shark species absence clues
By Mark Kinver Environment reporter, BBC News

Nineteenth Century tools made from sharks' teeth suggest that two species of shark used to populate the Central Pacific but are no longer present.Using artefacts from museums, a team of US researchers found that spot-tail and dusky sharks used to inhabit the reefs surrounding the Gilbert Islands.

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