Marine animals can be fascinating and very beautiful. However, you should not approach some of them. Some fish and jellyfish are highly poisonous, and contact can sometimes be fatal. Read here about ...

Add Yahoo as a preferred source to see more of our stories on Google. The Portuguese man o' war is a highly venomous species very closely related to a jellyfish that floats like a blue, violet or pink ...

The Portuguese man o’ war has been making its presence known on beaches from Texas to Florida, as reported by Fox Weather. The small but dangerous sea creature — which is known for its long tentacles ...