Anyone unfamiliar with the biology of the venomous Portuguese man-of-war would likely mistake it for a jellyfish ... These long, thin tendrils can extend 165 feet in length below the surface ...

Man-of-war are known for their long tentacles that grow to be an average of 30 feet, but can be around 100-feet-long, ...

Though interesting to look at, the Portuguese man-of-war’s venom can be deadly to small fish and painful to humans, according to the National Oceanic and Atmospheric Administration. The creature has a ...

Cannonball jellyfish can be cut into strips and served ... The stinging cells that line the tentacles of the Man O' War are powerful enough, in rare cases, to kill a human being.

A highly venomous blue-colored and balloon-like creature is washing up on a beach on Florida’s Gulf Coast. NBC affiliate WBBH ...

After a sting, the tentacles leave long, stringy red welts on humans skin which can be very painful and sometimes leading to death. What to do if you have been stung by a Man o’ War jellyfish ...

Warning flags have been raised at Las Teresiatas Beach in Santa Cruz de Tenerife following the discovery of multiple ...

While not technically jellyfish, the colonial hydrozoan’s sting can be very painful. The UK’s Wildlife Trusts says the Portuguese man o’ war can be identified as a “large translucent ...