This page on Fishing is a list of all the available fish in Harvest Moon GBC3, where to find them, and the selling price.
| Fish Name | Location | Selling Price |
| Archerfish | Ocean | 150 G |
| Black Bass | Farm & Forest | 150 G |
| Blowfish | Village & Mainland Port | 80 G |
| Bluegill | Farm & Forest | 80 G |
| Blue Maomao | Village & Mainland Port | 80 G |
| Carp | Farm | 150 G |
| Coelacanth | Ocean | 250 G |
| Dorado | Ocean | 250 G |
| Horned Shark | Ocean | 250 G |
| King Carp | Farm | 80 G |
| King of Lake</a> | Forest | 5000 G |
| King Salmon | Forest | 250 G |
| Parrot Fish | Village & Mainland Port | 150 G |
| Pink Maomao | Village & Mainland Port | 80 G |
| Sailfish | Ocean | 250 G |
| Snakehead | Forest | 250 G |