Bitterling

The Bitterling is an fish that can be found in the ponds. It appears from November to February. It will appear all day. When selling it to Re-Tail, the player will earn 900 Bells.

Location
The Bitterling is found in the ponds.

The Museum
The Bitterling can be donated to the museum. Upon doing so, the following text is given by Blathers:

"These fish are so small, they can fit their entire body in the palm of your hand. During mating season, the male's belly turns a light orange in order to properly attract a mate. They live in rivers and lakes and deposit eggs in large bivalves where the eggs hatch and live for a while."

Quote
Upon catching the fish, the player will say the following:

"I caught a bitterling! What's it so bitter about?"