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The congener P. canaliculata has been introduced to Hawaii and various countries in Southeast Asia where it’s considered a highly invasive pest since it not only competes with native molluscs but feeds on aquatic plants and can devastate rice and other semi-aquatic crops.

It’s considered one of the 100 world’s worst invaders, according to the Global Invasive Species Database.

New research published in the open access journal PLoS ONE this week has revealed that the eggs of P. canaliculata are filled with a powerful neurotoxin making them unpalatable to virtually all potential predators with the only known exception being the fire ant, Solenopsis geminata, although no-one is quite sure how it’s able to eat them.]]> http://www.acvariu.ro/forum/posts/preList/26023/210925.page http://www.acvariu.ro/forum/posts/preList/26023/210925.page GMT