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Here’s what fish and bugs are leaving in Animal Crossing: New Horizons in September

As September draws to a close, Animal Crossing: New Horizons on Nintendo Switch sees a whole host of bugs and fish leaving to make way for new critters next month. If you’re in the northern hemisphere, there’s quite a lot on their way out so be sure to check out the list below, thanks to Polygon, of what’s leaving by the end of the month. The handy chart also shows when’s the best time to catch the bug or fish so be quick if you’re looking to complete your collections for Blathers.


Critter typeCritterLocationShadow SizeTime
BugTiger ButterflyFlyingN/A4 a.m. – 7 p.m.
BugEmperor ButterflyFlyingN/A5 p.m. – 8 a.m.
BugAgrias ButterflyFlyingN/A8 a.m. – 5 p.m.
BugRaja Brooke’s BirdwingFlying by purple flowersN/A8 a.m. – 5 p.m.
BugQueen Alexandra’s BirdwingFlyingN/A8 a.m. – 4 p.m.
BugAtlas MothOn treesN/A7 p.m. – 4 a.m.
BugMadagascan Sunset MothFlyingN/A8 a.m. – 4 p.m.
BugGrasshopperOn groundN/A8 a.m. – 5 p.m.
BugWalker CicadaOn treesN/A8 a.m. – 5 p.m.
BugPondskaterPondsN/A8 a.m. – 7 p.m.
BugDiving BeetlePonds and riversN/A8 a.m. – 7 p.m.
BugGiant Water BugPonds and riversN/A7 p.m. – 8 a.m.
BugRosalia Batesi BeetleOn tree stumpsN/AAll day
BugEarth-boring Dung BeetleOn groundN/AAll day
BugGoliath BeetleOn coconut treesN/A5 p.m. – 8 a.m.
BugRainbow StagOn treesN/A7 p.m. – 8 a.m.
BugMosquitoFlyingN/A5 p.m. – 4 a.m.
FishCrawfishPondSmallAll day
FishSoft-shelled TurtleRiverLarge4 p.m. – 9 a.m.
FishSweetfishRiverMediumAll day
FishSalmonRiver (mouth)LargeAll day
FishKing SalmonRiver (mouth)LargestAll day
FishNibble FishRiverSmallest9 a.m. – 4 p.m.
FishPiranhaRiverSmall9 a.m. – 4 p.m., 9 p.m. – 4 a.m.
FishArowanaRiverLarge4 p.m. – 9 a.m.
FishDoradoRiverX Large4 a.m. – 9 p.m.
FishGarPondLargest4 p.m. – 9 a.m.
FishArapaimaRiverLargest4 p.m. – 9 a.m.
FishSaddled BichirRiverLarge9 p.m. – 4 a.m.
FishClown FishSeaSmallestAll day
FishSurgeonfishSeaSmallAll day
FishButterfly FishSeaSmallAll day
FishPuffer FishSeaMediumAll day
FishBlue MarlinPierLargestAll day
FishOcean SunfishSeaLargest (Fin)4 a.m. – 9 p.m.
FishSaw SharkSeaLargest (Fin)4 p.m. – 9 a.m.
FishHammerhead SharkSeaLargest (Fin)4 p.m. – 9 a.m.
FishGreat White SharkSeaLargest (Fin)4 p.m. – 9 a.m.
FishWhale SharkSeaLargest (Fin)All day
FishSuckerfishSeaLarge (Fin)All day
Sea CreatureSea urchinOcean (diving)N/AAll day
Sea CreatureSlate pencil urchinOcean (diving)N/A4 p.m. – 9 a.m.
Sea CreatureMoon jellyfishOcean (diving)N/AAll day
Sea CreatureGigas giant clamOcean (diving)N/AAll day
Sea CreatureTiger prawnOcean (diving)N/A4 p.m. – 9 a.m.
Sea CreatureHorseshoe crabOcean (diving)N/A9 p.m. – 4 a.m.
Sea CreatureFlatwormOcean (diving)N/A4 p.m. – 9 a.m.


Critter typeCritterLocationShadow SizeTime
BugEmperor ButterflyFlyingN/A5 p.m. – 8 a.m.
FishBitterlingRiverSmallestAll day
FishYellow PerchRiverMediumAll day
FishStringfishRiver (Clifftop)X Large4 p.m. – 9 a.m.
FishSturgeonRiver (mouth)LargestAll day
FishSea ButterflySeaSmallestAll day
FishFootball FishSeaLarge4 p.m. – 9 a.m.
Sea CreatureRed king crabOcean (Diving)N/AAll day

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6 thoughts on “Here’s what fish and bugs are leaving in Animal Crossing: New Horizons in September”

  1. I caught all the bugs for spring and summer, fish on the other hand, “it’s at least a C+!” Bait doesn’t help me too much I only caught like 2 new fish this month and they were just sharks.

  2. Thanks for posting this! This is great for those of use looking to catch everything! I have a lot of work to do…

  3. Crap! I never caught a Nibble Fish or a Piranha. And that’s because they appear during the hours I’m not playing. That’s what I hate about this game. Even when there’s special events, I miss out on them unless I take extra time out of my day and play the game when I don’t normally feel like playing. I don’t even start playing until some time after 10 P,M., or around 5 or 6 A.M.

    Even to shop at the Able Sisters, I always turn the game on, initiate the door-opening sequence at the Able Sisters, then quickly put it back into sleep mode. That way, when I start playing later at night (or early in the morning), I can still do my shopping there after hours. In past Animal Crossing games, I just changed the inner clock of the console so I could play all special events and shop at stores any time I wanted. I miss that.

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