Portuguese men-of-war,artwork

Numéro d’image : 11586664
Portuguese men-of-war,artwork
Portuguese men-of-war. Artwork of a group of Portuguese men-of-war (Physalia utriculus) in the open ocean. Each Portuguese man-of-war is not one organism,instead being a colony of hydrozoan animals. Members of the colony have distinct roles. One individual forms the float (seen here),which is filled with a mixture of nitrogen and carbon monoxide. Individuals called gastrozooids are responsible for digesting food and passing it to the rest of the colony. Prey is captured by dactylozooids,which comprises a large stinging tentacle. Reproduction is carried out by gonozooids. The colony is planktonic,being carried around by ocean currents
Licence : Droits gérés
Crédit: Science Photo Library / Myers, Walter
Taille de l’image : 4850 px × 3638 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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