Monday, 25 March 2013

Giant squid genetics reveal family secrets

By Ella Davies, Reporter, BBC Nature

Giant squid around the world are "basically identical" despite looking very different, say scientists.

The super-sized cephalopods live deep in the oceans and are little-known by the scientific community.

An international team of researchers investigated rare samples of the elusive animals' DNA to reveal their family secrets.

They discovered that there is just a single species of squid with no population structure.
The findings are published in the journal Proceedings of the Royal Society B.

The giant squid has been a source of fascination both before and beyond its formal description in 1857 by Danish biologist Japetus Steenstrup.

Its deep-dwelling lifestyle is largely unknown but specimens have been found globally, with the exception of Arctic and Antarctic waters.

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