Adding a little zest to your Wednesday with the lemon jelly—Aegina citrea. 🍋⁠ ⁠ The lemon jelly, Aegina citrea, is different from many other jellyfish because it has only four tentacles extending from its bell. Although jellies in the genus Aegina are relatively well known, they often surprise scientists by evolving unusual forms or colors in deep water.⁠ ⁠ A surprisingly large proportion of these gelatinous marine animals have yet to be named and classified because they disintegrate when collected by traditional sampling tools like trawl nets. MBARI’s remotely operated vehicles allow us to make video observations that provide essential information about the animal’s behavior, where it lives, and what it eats. This little jellyfish has been frequently observed eating much larger comb jellies.