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- Apr 13, 2017
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Looks like a sea lettuce slug Elysia crispata. @ISpeakForTheSeas is a good IDer of these things.
So it won’t hurt any of my corals right?Algae eater, generally dont live that long in reef tanks. Wont harm anythijg unless you keep macroalgae
Correct. It is a good guy. Make sure your pumps and wavemakers can't suck it up.So it won’t hurt any of my corals right?
Some lettuce slugs (typically from the genus Elysia) will eat nuisance algae species, but their wild diet varies pretty drastically from one species to another, and some species have some pretty specific wild diets (I don’t know if these are required diets or preferred diets, but Reef Cleaners reports that they'll eat just about any green, fleshy algae). That said, Elysia slugs generally feed on siphonalean algae such as Caulerpa, Codium, Acetabularia, Halimeda, Udotea, Byropsis, and Valonia spp. So, in theory, these guys should eat nuisance algae that pops up in your tank.