Physalia Collection

Portuguese man o war (Physalia physalis) Tenerife, Canary Islands

Man-of-war fish (Nomeus gronovi) living within deadly tentacles of Portuguese man o war (Physalia physalis), to whose toxin it is ten times more resistant than other fish, at sea surface. Dominica

Physalia pelagica, Portugese-man-of-war
Illustration by Rene Primevcre Lesson from Voyage of the Coquille (1826-1338)

Varieties of jellyfish, siphonophores and medusae. Including English man o'war, Physalia physalis
FLO4684857 Varieties of jellyfish, siphonophores and medusae. Including English man o'war, Physalia physalis, Physophora hydrostatica, sea raft jellyfish, Velella velella, and blue button

Varieties of jellyfish including moon jelly, Aurelia aurita, Portuguese man o 'war, Physalia physalis
FLO4684867 Varieties of jellyfish including moon jelly, Aurelia aurita, Portuguese man o 'war, Physalia physalis, mauve stinger, Pelagia noctiluca, etc

13132571
Portuguese man o war, Physalia physalis, at sunset. The gas-filled bladder, or pneumatophore, remains at the surface, while the remainder is submerged

Blue sea slug (Glaucus atlanticus) that was washed ashore with a mass, multi-day stranding of thousands of Indo-Pacific Portuguese man-of-war (Physalia utriculus)

Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda

Portuguese man o war (Physalia physalis) Tenerife, Canary Islands. January

Top-down view of an Indo-Pacific Portuguese Man-of-War (Physalia utriculus). This is one of many thousands that were part of a mass stranding in South Africa. Atlantic ocean

Portuguese man o war (Physalia physalis) floating on sea surface. Azores, Atlantic Ocean

13132572
Portuguese man o war, Physalia physalis, with one Man-of-war fish (Nomeus gronovii). The gas-filled bladder, or pneumatophore, remains at the surface, while the remainder is submerged

13132570
Portuguese man o war, Physalia physalis. The gas-filled bladder, or pneumatophore, remains at the surface, while the remainder is submerged

Mutualism between a Portuguese man o war (Physalia physalis) and a juvenile Imperial blackfish (Schedophilus ovalis), Tenerife, Canary Islands

Portuguese man o war, Physalia physalis (Fisalia pelagica). Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus Dizionario delle Scienze Naturali

Basket star or gorgons head, Astrocladus euryale, Euriale a costole lisce. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus Dizionario delle Scienze Naturali

Varieties of jellyfish including moon jelly, Aurelia aurita, Portuguese man o war, Physalia physalis, mauve stinger, Pelagia noctiluca, etc

Varieties of jellyfish, siphonophores and medusae. Including Portuguese man o war, Physalia physalis, Physophora hydrostatica, sea raft jellyfish, Velella velella, and blue button, Porpita porpita

Portuguese man-of-war, Physalia physalis. Physalie atlantique. Handcoloured steel engraving from Felix-Edouard Guerin-Menevilles Dictionnaire Pittoresque d Histoire Naturelle

Portuguese man-of-war and zoophyte
Indo-Pacific Portuguese man-of-war, Physalia utriculus 1, Azores man-of-war, Physalia physalis 2, and Siphonophora zoophyte, Physsophora disticha 3. Physalies, Physsophore

Cydippida, Physalia and Auriculate Lucernia (chromolitho)
2783034 Cydippida, Physalia and Auriculate Lucernia (chromolitho) by European School, (19th century); Private Collection; (add.info.: Cydippida, Physalia and Auriculate Lucernia)

Physalia, or Portuguese Man-of-War, lately found on the South Coast of England (engraving)
1103903 Physalia, or Portuguese Man-of-War, lately found on the South Coast of England (engraving) by English School, (19th century); Private Collection; (add.info.: Physalia)

Physalia pelagica, jellyfish model
A glass model of a jellyfish, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Physalia pelagica, jellyfish
A glass model of a jellyfish, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Physalia, or Portuguese Man-Of-War, Lately Found on the South Coast of England, Uk, 1869

Picture No. 10901051
Portuguese Man-o'-War Jellyfish (Physalia physalia) Date:

Picture No. 10896130
Portuguese Man O war / Bluebottle jellifish (Physalia physalis) Date:

Physalia physallis, Portuguese man-of-war
Portuguese man-of-war painting by Pieter de Bevere. From the Loten Collection (dated 1754-57) held at the Natural History Museum, London

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Physalia, also known as the Portuguese man o war, is a fascinating and deadly creature found in various parts of the world. In Tenerife, Canary Islands, one can witness the majestic Physalia physalis gracefully drifting through the ocean currents. Its vibrant colors and long tentacles make it easily recognizable. These tentacles are not to be taken lightly, as they deliver a powerful sting that can cause excruciating pain to humans. However, there is one fish that fearlessly resides within these dangerous appendages - the Man-of-war fish. This remarkable creature has developed a resistance ten times stronger than any other fish to withstand the toxin produced by Physalia physalis. In Dominica's Caribbean Sea, another intriguing relationship unfolds between Physalia physalis and Nomeus gronovi. The Man-of-war fish finds refuge amidst these lethal tentacles at sea surface levels. It seems this resilient little fish has adapted to coexist with its venomous host. But not all creatures fall victim to Physalia's venomous grasp. The blue sea slug known as Glaucus atlanticus possesses an immunity against their toxins and even preys upon them. These slugs were recently discovered washed ashore during a mass stranding event of thousands of Indo-Pacific Portuguese man-of-war in Bermuda. The beauty extends beyond its danger; its intricate structure captivates researchers who study jellyfish models like Physalia pelagica for scientific purposes. A top-down view reveals an awe-inspiring sight when observing thousands of Indo-Pacific Portuguese Man-of-War stranded along South Africa's Atlantic coast. From January sightings in Tenerife's Canary Islands to floating specimens off Azores' Atlantic Ocean surface, Physalia continues to mesmerize both scientists and beachgoers alike with its unique appearance and deadly capabilities.