The well-known Portuguese man o’ war — Physalia physalis — may look like a jellyfish, but it’s actually a siphonophore, or a ...

New research study shows Portuguese man o’ war isn’t just one species but four, with genetic and physical differences despite their overlapping ranges globally.

Using an integrative approach, the team matched genomic lineages with four distinct physical forms identified from thousands of citizen-science images submitted to iNaturalist.org.

New research study shows Portuguese man o’ war isn’t just one species but four, with genetic and physical differences despite their overlapping ranges globally.

Nothing ruins a nice seaside swim than someone shouting about something swimming in the crystal clear waters, right next to you. While most people might mistakenly call a Portuguese man o' war a ...

Researchers confirmed the species deviations by comparing their collected man o’ wars to more than 4,000 images posted on the citizen-science website iNaturalist, according to the study.

Researchers confirmed the species deviations by comparing their collected man o’ wars to more than 4,000 images posted on the citizen-science website iNaturalist, according to the study.

New research study shows Portuguese man o’ war isn’t just one species but four, with genetic and physical differences despite their overlapping ranges globally.