| the 'scorpion shrimp', a new species of the genus metapontonia (crustacea: decapoda: palaemonidae) from taiwan, with new generic record from papua new guinea. | a new species of shrimp metapontonia scorpio symbiotic with scleractinian coral diploastrea heliopora is described from taiwan. the species belongs to the smallest symbiotic shrimps of the family palaemonidae. it is remarkable by a unique ability to turn its last two pleonites with tail fan dorsally over the 4<sup>th</sup> and preceding pleonal segments, thus resembling scorpions. for such movement, the respective opposing dorsal margins of the 4<sup>th</sup>-6<sup>th</sup> segments are deeply c ... | 2016 | 27470775 |