| Unlockable: | How to Unlock: |
| Angelfish | 3,000 Bells; river (rare) May to October, morning, evening, night. |
| Arapaima | 10,000 Bells; river (rare) July to September, morning, evening, night. |
| Arowana | 10,000 Bells; river (rare) June to September, morning, evening, night. |
| Barbel Steed | 200 Bells; river all year, all day. |
| Barred Knifejaw | 5,000 Bells; ocean (rare) March to November, all day. |
| Bitterling | 900 Bells; river November to February, all day. |
| Black Bass | 300 Bells; river all year, all day. |
| Blue Gill | 120 Bells; river all year, noon. |
| Blue Marlin | 10,000 Bells; ocean (rare) July to Sept, all day. |
| Carp | 300 Bells; river all year, all day. |
| Cat Fish | 800 Bells; pond May to October, morning, evening, night. |
| Char | 3,800 Bells; waterfall Mar to June and September to November, morning, evening. |
| Cherry Salmon | 1,000 Bells; river March to June and September to November, morning, evening. |
| Clownfish | 650 Bells; ocean April to September, all day and May to August, noon. |
| Coelacanth | 15,000 Bells; ocean during rain or snow (rare) all year, morning , evening, night. |
| Craw Fish | 250 Bells; holding pond April to Sept, all day. |
| Crucian Carp | 120 Bells; river all year, all day. |
| Dab | 300 Bells; ocean October to April, all day. |
| Dace | 200 Bells; river all year, morning, evening, night. |
| Dorado | 15,000 Bells; river (rare) June to September, morning, noon, evening. |
| Eel | 2,000 Bells; river June to Sept, morning, evening, night. |
| Football Fish | 2,500 Bells; ocean (rare) November to March, morning, evening, night. |
| Freshwater Goby | 300 Bells; river (rare) all year, morning, evening, night. |
| Frog | 120 Bells; holding pond May to August, all day. |
| Gar | 6,000 Bells; pond (rare) June to September, morning, evening, night. |
| Giant Snakehead | 5,500 Bells; pond July to August, noon. |
| Gold Fish | 1,300 Bells; river (rare) all year, all day. |
| Guppy | 1,300 Bells; river (rare) April to November, noon. |
| Hammerhead Shark | 8,000 Bells; ocean (rare) June to September, all day. |
| Horse Mackeral | 150 Bells; ocean all year, all day. |
| Jelly Fish | 100 Bells; ocean August, all day. |
| Killifish | 300 Bells; holding pond (rare) April to August, all day. |
| King Salmon | 1,800 Bells; river (rare) September, all day. |
| Koi | 2,000 Bells; river (rare) all year, morning, evening, night. |
| Loach | 300 Bells; river March to May, all day. |
| Ocean Sunfish | 4,000 Bells; ocean (rare) April to September, morning noon, evening. |
| Octopus | 500 Bells; Ocean September to January and March to July, all day. |
| Olive Flounder | 800 Bells; Ocean (rare) all year, all day. |
| Pale Chub | 200 Bells; river all year, noon. |
| Piranha | 2,500 Bells; river (rare) June to September, noon, night. |
| Pond Smelt | 300 Bells; pond December to February, all day. |
| Popeyed Goldfish | 1,300 Bells; river (rare) all year, all day. |
| Puffer Fish | 240 Bells; ocean July to September, all day and August, all day. |
| Rainbow Trout | 800 Bells; river March to June and September to November, morning, evening. |
| Red Snapper | 3,000 Bells; ocean all year, all day. |
| Salmon | 700 Bells; river September, all day. |
| Sea Bass | 160 Bells; ocean all year, all day. |
| Sea Butterfly | 1,000 Bells; ocean December to February, all day. |
| Seahorse | 1,100 Bells; ocean April to November, all day and May to September, noon. |
| Shark | 15,000 Bells; ocean (rare) June to September, morning, evening, night. |
| Squid | 400 Bells; Ocean December to Aug, all day. |
| Stringfish | 15,000 Bells; river (rare) December to February, morning, evening, night. |
| Sweetfish | 900 Bells; river July to September, all day. |
| Tuna | 7,000 Bells; ocean (rare) November to March, all day. |
| Yellow Perch | 240 Bells; river October to March or November to February, all day. |
| Zebra Turkey Fish | 400 Bells; ocean April to November, all day and May to September, noon. |