Image of the Day: Bitingly Beautiful

The multihued Portuguese man o' war (Physalia physalis), a jellyfish look-alike, is known for its painful sting. 

The Scientist Staff
May 26, 2017

Physalia physalis, caught by University of Hawaii-Manoa researcher Christie Wilcox 

RACHEL SKUBEL

    University of Hawaii-Manoa researchers found that, contrary to popular first aid recommendations, Physalia stings, though excruciating, should be treated no differently than jellyfish stings—with a seawater or vinegar rinse. 

(See C.L. Wilcox et al., “Assessing the efficacy of first-aid measures in Physalia sp. envenomation, using solution- and blood agarose-based models,” Toxins, doi:10.3390/toxins9050149, 2017.)