You will get an option to restore Fish Tank after completing one bundle. Once you finish all Fish Tank Bundles Willy will award you with a Copper Pan which you will be able to use to collect ores from the water near to the mines.
There are six bundles to fill before you complete everything on the Fish Tank. You will really have to plan your actions in order to complete Fish Tank Bundle, because fishing is tricky business in Stardew Valley, some fish are a hard catch by themselves, some are only available during specific season or specific hours.
River Fish Bundle
There are four fish that you have to catch to complete the bundle. Each four fish from this bundle can only be caught in rivers (obviously). River Fish Bundle will award you with 30 pieces of bait.
- Catfish - catfish loves rainy weather, you can catch it in rivers during spring or fall. You can also catch in in Secret Woods pond in summer. And sometimes find it in garbage cans, but only if you’re really lucky.
- Sunfish - a river fish that can be caught in spring or summer from 6 A.M. to 7 P.M.
- Shad - a fish that loves rainy weather, you will catch it during any season but winter.
- Tiger Trout - look for Tiger Trout from 6 A.M. to 7 P.M. during fall or winter.
Lake Fish Bundle
Lake Fish Bundle consists of four fish that can be caught in Stardew Valley lakes. A reward for completing this bundle is one Dressed Spinner.
- Largemouth Bass - this one can be caught during all seasons from 6 A.M. to 7 P.M.
- Carp - can be caught during any season but winter
- Bullhead - an easy catch, can be caught anytime
- Sturgeon - can be caught from 6 A.M. to 7 P.M. in summer or winter
Ocean Fish Bundle
To complete this bundle you will have to go to the beach and catch some ocean fish. After completing Ocean Fish Bundle you will be rewarded with five Warp Totems, that can be placed anywhere and right-clicking on them will teleport you to the beach, however the totem will be consumed on use.
- Sardine - can be caught from 6 A.M. to 7 P.M. during any season but summer
- Tuna - look for it from 6 A.M. to 7 P.M. during summer and winter
- Red Snapper - it likes rainy weather, can be caught in summer or fall from 6 A.M. to 7 P.M.
- Tilapia - can be caught in summer or fall
Night Fishing Bundle
You are going to have to stay up late for this bundle. There are only three slots to fill to complete Night Fishing Bundle. The reward for completing this bundle is a Small Glow Ring, which you might find useful, if you tend to walk around in a dark a lot.
- Walleye - a river fish that can be caught on rainy nights in fall from 12 P.M. to 2 A.M.
- Bream - a river fish that can be caught from 6 P.M. to 2 A.M.
- Eel - an ocean fish, can be caught on rainy nights of fall or spring from 4 P.M. to 2 A.M.
Crab Pot Bundle
To complete this bundle and get a reward (3 Crab Pots) you will have to fill in five empty slots, however there are way more options for you to chose from. Each item from this bundle can be caught using crab pots, some can be acquired in other ways as well.
- Lobster
- Crayfish
- Crab
- Cockle - can also be foraged at the beach
- Mussel - can also be foraged at the beach
- Shrimp
- Snail
- Periwinkle
- Oyster - can also be foraged at the beach
- Clam - can also be foraged at the beach
Speciality Fish Bundle
Speciality Fish Bundle may be a bit harder to fill. There are four fish that you have to bring in here. The reward for getting every one of them is five plates of Dish ‘o The Sea.
- Pufferfish - an ocean fish that can be caught in summer from 12 P.M. to 4 P.M.
- Ghostfish - can be caught in the ponds down in the Mines
- Sandfish - can be caught in the Calico desert pond from 6 A.M. to 10 P.M.
- Woodskip - can be caught in Secret Woods pond