International naval forces have not stopped pirates from expanding their area of operation Pirates operating off the Somali coast will not be defeated by force alone, a top European naval officer says.
"It is arguable how much of a deterrent effect counter-piracy forces are having," Thomas Ernst from the EU's anti-piracy task force Navfor said.
More should be done to stop the money flow to pirate gangs and to target their leaders, he added.
International naval forces have so far stopped 120 pirate attacks this year, compared with 21 in 2009.
Somali pirates have "developed their capabilities and now have influence over a vast area", said Mr Ernst, who is Navfor's deputy operations commander.
The presence of international forces off the Somali coast and in the Gulf of Aden has pushed pirates further afield, where they hijack larger vessels.
Recently, pirates have operated as far south as Tanzania and Madagascar, with the easternmost attack just short of the southern Indian coast on 5 December.
"The rewards from piracy continue to outweigh the risks," Mr Ernst said.
He criticised that a weak legal system means that "the chances of getting caught are relatively low and the probability of being tried is even smaller".
Counter-piracy efforts should include support for the Somali government to improve the country's prison system, Mr Ernst said.
Of the 400 pirates captured by Navfor this year, only 15 are to stand trial, he added.
Around 470 seafarers aee currently being held hostage by Somali pirates.
PIRACY CRISIS
BACKGROUND
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Growing risk
EU navies warn Somali piracy may enter deadly new phase
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Q&A: Prosecuting pirates
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Spotlight on 'guns for hire'
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Somali piracy: Global map
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Postcard from pirate capital
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Inside story of Somali pirate attack
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Chasing the piracy money trail
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Q&A: Somali piracy
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