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1-The Bluemoon is a small, passive, edible fish in Subnautica 2 and one of the three moon-family fish a new diver meets first. It spawns commonly in the shallows around the starting area, which makes it a reliable early food source before a proper supply chain exists. Eaten raw it restores 10 food and 5 water, the only moon fish that hydrates rather than dehydrates.
1+The Bluemoon is a small, passive, edible fish in Subnautica 2 and one of the three moon-family fish a new diver meets first. It spawns commonly in the shallows around the starting area, which makes it a reliable early food source before a proper supply chain exists. Eaten raw it restores 10 food and 5 water, the only moon fish that hydrates rather than dehydrates, and cooking keeps that water bonus while raising the food value.
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33 Overview
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5-AttributeDetailClassFishDispositionPassiveRaw nutrition+10 food, +5 waterReported habitatThe Shallows near the start zone, Root Canyon, and the raceways
5+AttributeDetailClassFishDispositionPassiveRaw nutrition+10 food, +5 waterCooked nutrition+25 food, +5 waterRegionCoral GardensReported habitatThe Shallows near the start zone and the North RacewayScan valueDatabank entry, and progress toward extra passive Biomods slots
66 Appearance and Behavior
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88 Like its relatives, the Bluemoon has a crescent-shaped body with a pair of crescent fins and two long, thin tails. The dorsal side is blue, the belly white and orange, and a pair of dark stripes runs down from each eye. Bluemoons hide in patches of sea whips and school together with Halfmoons and Harvestmoons.
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10+The schools sit in the shallow water within swimming distance of the Lifepod and continue east into the North Raceway. They move quickly and turn as a group, so a hand catch usually means cutting a fish off against a sea whip patch rather than chasing it down in open water. A Geordie is the easier target if you only need calories, since it clings to coral; the Bluemoon is worth the extra effort when thirst is the problem.
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12+The Small Moon Fish Compared
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14+All three small moon fish share the same body plan and the same shallow water, but they pull in different directions on the survival bars:
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16+FishRawCookedNotesBluemoon+10 food, +5 water+25 food, +5 waterThe only one that adds water instead of taking itHalfmoon+15 food, -5 water+25 foodFeeds the most recipes, including jerky and greaseHarvestmoon+20 food, -5 water+30 foodThe most filling of the three
1017 Food and Crafting
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1219 As with every alien lifeform, safe digestion requires the right entry in the Adaptations system; without it, eating costs health instead of restoring hunger. The Bluemoon feeds two recipes at the Fabricator:
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14-RecipeIngredientsCooked Bluemoon1x BluemoonThreemoon Temaki (x3)1x Halfmoon, 1x Harvestmoon, 1x Bluemoon, 1x Fibrous Pulp
21+RecipeStationIngredientsRestoresCooked BluemoonFabricator1x Bluemoon+25 food, +5 waterThreemoon Temaki (x3)Fabricator1x Halfmoon, 1x Harvestmoon, 1x Bluemoon, 1x Fibrous Pulp+60 food, +15 health
22+The Threemoon recipe unlocks only after all three small moon fish have been picked up at least once, and a single craft returns three portions. It gives no water, which is the argument for keeping a few Bluemoon in reserve rather than converting every one of them.
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24+Scanning and Handling
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26+Scanning a Bluemoon fills its databank entry and counts toward the Bioscanner totals that unlock extra passive biomod slots, a system reworked in the 1.1 update. The same update gave most creatures a proper flee reaction when struck with the Survival Multitool. Since the 1.2 update the Feedback Resonator stuns creatures instead of scattering them, which is the cleaner way to work a tight school. See Updates and Patch Notes for the full change history.
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1528 Related Pages
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1730 CreaturesHalfmoonHarvestmoonWaxmoon