Box jellyfish (Cubozoa) are infamous for their overpoweringly painful venom, which is considered to be among the most deadly in the world. Their #venom contains toxins that attack the heart, nervous system, and skin cells. #BoxJellyfish are relatives of true jellyfish, but have a cubic bell and tentacles extending from each lower corner. Unlike true jellyfish they have complex eyes and are active swimmers, avoiding obstacles and chasing after prey. | Science Channel

Deadly protection #Cubozoa | Ocean Reality Channel

#boxjellyfish #Cubozoa #underwatervideo | Ocean Reality Channel

Cubozoa

No, this is not a deep-sea disco ball… 🪩🕺 A ctenophore (or comb jelly) seen during one of the #DiagnosingDeepCoral ROV dives today. Comb jellies are the largest animals to swim with the help of cilia - the small hairlike structures that run along the length of their bodies. While it appears the cilia are changing color or ‘flashing lights,’ they are actually refracting the light from the ROV to create the mesmerizing rainbow effect seen here. It is not bioluminescence. An article in @wired ent