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BBC Wildlife|August 2023
The drifting siphonophore with a killer reputation that paralyses its prey
- Nick Baker
SAIL AWAY

EVERY NOW AND THEN, WHEN THE WIND direction and ocean currents align, we get a late summer silly season - the press comes alive with sensational stories of giant killer jellyfish invading our shores. Physalia physalis is a killer of sorts but despite its appearance it isn't really a jellyfish. It is a fascinating and bizarre organism better known as the Portuguese man 'o war and it belongs to a strange group of animals called siphonophores - you are entering a realm where the singular and the plural become as tangled as their tentacles!

Siphonophores are related to the true jellyfish, corals and sea anemones but are more than one animal: they are a colony. Most of the world's species occur as deepwater pelagic ocean drifters - transparent, diaphanous and delicate, they go unnoticed by most folk other than divers.

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SAIL AWAY
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Esta historia es de la edición August 2023 de BBC Wildlife.

Comience su prueba gratuita de Magzter GOLD de 7 días para acceder a miles de historias premium seleccionadas y a más de 9,500 revistas y periódicos.

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