Captivating underwater close-up of a Blue Bottle in Gansbaai, Western Cape (00016726)

❮ Close-up of a Blue Bottle underwater ❯
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Description: The Blue Bottle (Physalia utriculus) is a fascinating yet highly dangerous species of marine hydrozoan. Each Blue Bottle is a colony of polyps with specialized functions. The distinctive blueish floating gas bladder is used for buoyancy, but caution is advised as the tentacles can reach up to 10 meters in length and are equipped with up to 1000 nematocysts per centimeter. The venom can lead to respiratory failure and cardiac arrest. Immediate medical attention is crucial in the event of a Blue Bottle sting. Learn more about this intriguing creature and the precautions necessary for diving.

Location: Western Cape, Küste Gansbaai, South Africa

Date of Capture: 14.08.2005