Horseshoe crab

The Horseshoe Crab is a type of sea creature in the, introduced in.

In
After donating the Horseshoe Crab to the museum, it can be found in a large pool in the first room of the Sea exhibit, along with a number of other sea creatures. The exhibit has this to say about the Horseshoe Crab:

In
When donating to the museum, Blathers will say the following:

Unlike other sea creatures, the horseshoe crab is displayed in the freshwater fish area, in the bottom of the three river tanks alongside the Sturgeon.

In
During a Fishing Tourney, when given a Horseshoe Crab, Chip will not score the sea creature but will say the following: