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The working formula for Halloween costume retailers the world over is as follows: pick a noun and find a way to make it sexy.

The question of which nouns doesn't seem to phase mass-market costume designers. If it exists in the world, there's a way to make it work. Want to dress as an invasive species this year? Sexy goldfish is a fitting choice.

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SEE ALSO:8 truly easy D.I.Y. Halloween costumes for lazy people

Try not to cringe too hard at these aggressively unsexy attempts at sexy animal costumes.

1. Goldfish

Regular goldfishCredit: mike hill/getty imagesSexy goldfishCredit: halloweencostumes.com

2. Lobsters

Regular cooked lobsterCredit: james baigrie/getty imagesSexy cooked lobsterCredit: halloweencostumes.com

3. Deer

Regular deerCredit: eric slezak/eyeem/getty imagesSexy deerCredit: halloweencostumes.com

4. Bears

Regular black bearCredit: Chase Dekker Wild-Life Images/getty imagesSexy black bearCredit: halloweencostumes.com

5. Reindeer

Regular reindeerCredit: Daniel A. Leifheit/getty imagesSexy reindeerCredit: Halloweencostumes.com

6. Peacocks

Regular peacockCredit: Mathias Appel/flickrSexy peacockCredit: spirit halloween

7. Raccoons

Regular raccoonCredit: Robert Engberg/flickrSexy raccoonCredit: spirit halloween

8. Wolves

Regular wolfCredit: mark kent/flickrSexy wolfCredit: spirit halloween

9. Ladybugs

Real bugCredit: john flannery/flickrSexy ladybugCredit: spirit halloween

10. Clownfish

Regular clownfishCredit: borut furlan/getty imagesSexy clownfishCredit: halloweencostumes.com

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