Meet Promachoteuthis sulcus, a bizarre creature straight out of your nightmares. It's a species of promachoteuthid squid and only one specimen has been found to date. It was captured in the Southern Atlantic Ocean at a depth of in
Larval Leaf Scorpionfish (photograph by Chris Newbert, Minden Pictures). Lacking any other defense, many larval fish have adapted transparency as a method of camouflage—such as this tiny, see-through larval leaf scorpionfish in Hawaii.
Pelagia noctiluca, (Águilas, Spain) by Alfonso Gonzalez: In Latin, Pelagia means "of the sea", nocti stands for night and luca means light and As its name implies P. noctiluca has the ability to bioluminesce. Light is given off in the form of flashes when