Nothing ruins a nice seaside swim than someone shouting about something swimming in the crystal clear waters, right next to you. While most people might mistakenly call a Portuguese man o' war a ...

The siphonophores are an order of organisms in the Cnidaria phylum that look like lumps or spirals of string. Found in all oceans and all ocean depths, these animals are abundant and adaptive. And ...

Scientists spotted a swirling siphonophore off Western Australia that was 150 feet long. By Devi Lockwood Nerida Wilson couldn’t take her eyes off the computer screen. Some 2,000 feet beneath ...