What does portuguese man of war mean

Scientific Name: Physalia physalis. Type: Invertebrates. Diet: Carnivore. Size: Float: 12 inches long: 5 inches wide; tentacles: up to feet long. Size relative to a 6-ft man:. Not evaluated. Least Concern Extinct. Current Population Trend: Unknown.

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Meet the people trying to help. These tentacles deliver a powerful sting and are also used for defense against predation. Few species eat the Portuguese man o' war, but some predators that specialize on stinging, gelatinous invertebrates e.

Each individual Portuguese man o' war is either a male or a female, and they reproduce sexually via a method known as broadcast spawning.

Large groups of individuals come together, where females release their eggs and males release their sperm into the water column, all at the same time. This method increases the likelihood that eggs will be fertilized. The Portuguese man o' war is not valuable, commercially, and is common throughout the tropics. In some places, it is increasing in numbers, likely a result of changing open ocean food webs.

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Wiktionary 2. Dictionary of Nautical Terms 0. Matched Categories Siphonophore. Alex US English. David US English. Mark US English. Daniel British. Libby British.