Organisation: Hokkaido University

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Organisation: Hokkaido University

A COMPREHENSIVE SERIES OF ARTICLES ON THIS TOPIC

<p>Kevin Purves (left) and Dr Jenny Bortoluzz holding a small tooth sand tiger shark, which washed up on the shores of Co Wexford, scientists believe to it be the first official record of the species in Irish waters. The shark is rarely seen by humans as it normally lives offshore in waters more than 100m deep. At 14 feet long, the female shark discovered in Wexford is at the upper end of the size limits for the species. Picture: Trinity College Dublin/Dr Jenny Bortoluzzi and Kevin Purves/PA Wire</p>

outdoors

Warming Arctic draws marine predators northwards

The porbeagle (‘porpoise-beagle’?) is the reigning apex predator of our seas. But are its days on the throne numbered?

world

Tokyo runs short of supplies as panic hits

world

Trio win Nobel for ‘great art in a test tube’

world

Conservative Aso elected as Japanese prime minister

business

Emergence of rich and poor rattles Japan

world

Iraq effect costs Japanese PM seats