Acorn barnacle

The acorn barnacle is a sea creature in the introduced in. It can be found all day, all year.

In
As with all sea creatures in, the acorn barnacle was added in the.

In
Upon donating an acorn barnacle 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 on the large rock. The exhibit has this to say about the acorn barnacle:

In
When donating to Blathers or selecting "Tell me about this!" in New Horizons, he will provide the following information about the sea creature:

In
As a sea creature, the acorn barnacle cannot be scored during a Fishing Tourney, but it can still be given to Chip, who will say the following:

Real-world information
The acorn barnacle, Balanus glandula, can be found from Alaska, USA to Bahia San Quentin, Baja California. They are moderate-sized with a diameter to 22mm (0.9m). The shell is formed by plates on top of each other, and they can get oxygen from air and water. They can also live up to 10 years.