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Flamingo Tongue Snail - Common on many Caribbean and Atlantic coral reefs, the flamingo tongue snail feeds on toxic sea fans and not only suffers no harm, it incorporates the fans' venom and becomes toxic itself. Shell collectors are often attracted to the colorful snails, but in fact the shell itself is white—it’s only the living animal inside that produces the striking color pattern.
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 the medusa is stimulated by turbulence created by a ship’s motion or by waves. This flashing is only of relatively short duration and gradually fades. en.wikipedia.org/... #Jellyfish