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11 The Flash Slug is a free-swimming, glowing relative of the Waterslug in Subnautica 2. Where the Waterslug is a docile water source, the Flash Slug defends itself: approach one and it squeals, shakes, and releases a blinding burst of light before trying to flee. The flash leaves an imprint on the diver's vision for several seconds and blurs it briefly afterward.
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33 Overview
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55 AttributeDetailClassMolluscDispositionDefensive; blinds and fleesRaw nutrition+20 food; cooking recommendedReported habitatCaves around the Overgrown Ruins, the Power Plant area of Karakorum, Root Canyon, and near the Observatory's Angel Comb
66 Behavior
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88 Flash Slugs swim well off the seafloor, often 30 to 40 meters up, which sets them apart from most small bottom-dwelling fauna. At night and in dark areas their glow gives them away from a distance. The blinding flash has a short cooldown, so a diver who closes the gap quickly can grab the slug before it recharges. Approaching at speed works best, whether with the Dash biomod or a Wakemaker; they will also flash at a diver inside a Tadpole, so parking beside one and grabbing it on exit is a clean catch.
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1010 Food and Crafting
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1212 Safe digestion requires the matching entry in the Adaptations system. Its one recipe matters more than its food value: combined with Salt at a Fabricator, a Flash Slug produces Isotonic Water, one of the better hydration items in the current build.
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1414 RecipeIngredientsIsotonic Water1x Flash Slug, 1x Salt
1515 Related Pages
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1717 CreaturesWaterslugSurvival Mechanics