Giant isopod

The Giant Isopod is a sea creature (fish in ) in the introduced in.

While initially absent from, the Giant Isopod was added in the 1.3.0 Free Summer Update.

In
After the Giant Isopod is donated to the museum, it can be found in the small tank in the middle in the first room of the sea exhibit.

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

Once donated, the Giant Isopod is located in the abyss tank along with the Sea Pig and Vampire Squid.