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Query: physalia physalisResult: 24th of 30
Portuguese Man O' War Physalia physalis
Subject: Portuguese Man O' War Physalia physalis
Source: http://www.discoveringalabama.org/discovery/deta...
for Ask The Expert - 4.jpg
Resolution: 2048x1536 File Size: 686285 Bytes Date: 0000:00:00 00:00:00 Camera: E3200 (NIKON) F number: f/2.8 Exposure: 10/447 sec Focal Length: 75/10 Upload Date: 2008:02:21 09:41:16

Portuguese Man O' War Physalia physalis


Common Name
Portuguese Man O' War
Scientific Name
Physalia physalis
Description
Although commonly thought of as a jellyfish, a Portuguese Man O’ War is actually a siphonophore—a colony of specialized polyps and medusoids.
The Man O' War has no means of propulsion and is pushed by the winds and the current. The balloon-like float is filled with air and changes shape to catch the prevailing wind. The bladder must stay wet to ensure survival; every so often it may roll slightly to wet the surface of the float. To escape a surface attack, the pneumatophore can be deflated allowing the Man O' War to briefly submerge.

physalia physalis
24/30
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