Abalone

The Abalone is a type of sea creature in the introduced in.

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

In
Upon donating an Abalone to the museum, it can be found in the large pool in the first room of the Sea exhibit, along with many other species of sea creatures. It is found close to the entrance of the large saltwater exhibit. The exhibit has this to say about the Abalone:

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

Once donated, the Abalone can be seen in the coast tank with the Turban Shell and Seaweed.