The Horseshoe Crab Plushie is a den item. It was originally released in November 2016. The plushie can be won by touching all five different species of Horseshoe Crab in the Touch Pool Minigame.
The Horseshoe Crab Plushie appears to be a horseshoe crab with six leg legs and a long tail. it has two small eyes on the top. The item comes in 6 variants.