This is a list of all items which can be placed into a Fish Tank.
Regular Fish[]
These fish are the most commonly caught fish—typically caught using a Wiggly Worm, Shiny Flashy Thing, Salmon Eggs, Fishing Fly, Shrimp Lure, or Whizmo Gizmo.
| Fish | Max Size |
|---|---|
 Goldfish
|
15lb |
 Catfish
|
30lb |
 Dogfish
|
50lb |
 Bass
|
70lb |
 Gar
|
90lb |
 Mahi Mahi
|
120lb |
 Sunfish
|
160lb |
 Stonefish
|
160lb |
 Sand Shark
|
200lb |
 Whale
|
200lb |
 Dragon Turtle
|
200lb |
Crabs[]
Crabs can only be caught using Lobster Traps. Using five of any bait and waiting anywhere between 1-3 days will yield a crab. Depending on the bait and trap's location, a Lobster Trap may yield crabs of different sizes.
| Crab | Max Size |
|---|---|
 Dungeonist Crab
|
100lb |
 Lobster
|
150lb |
 Crawdad
|
50lb |
 Alaskan King Crab
|
200lb |
 Purple Shore Crab
|
100lb |
 Hermit Crab
|
200lb |
Radioactive/Ice Fish[]
These fish can only be caught in special environments. Ice environments are created by using a Hand Drill on an Ice Crust Block with a Water Bucket on top, while radioactive environments are created by using a Nuclear Detonator on a Uranium Block with a Water Bucket on top.
Only the Uranium Glowing Lure can be used to catch fish in radioactive environments, while only Mega-Pellet Bait can be used to catch fish in ice environments.
| Fish | Environment | Max Size |
|---|---|---|
 Maidmare Fish
|
Radioactive | 160lb |
 Weird Manta Ray
|
Radioactive | 190lb |
 Double-Headed Angel-Devil Fish
|
Radioactive | 60lb |
 Alpha Great White Shark
|
Ice | 190lb |
 Absolutely Real Elephant Fish
|
Ice | 60lb |
 Cuttlefish
|
Ice | 120lb |
Halloween Fish[]
A Halloween fish can only be caught using a Minor Otherworldly Bait, Lesser Otherworldly Bait or Otherworldly Bait.
| Fish | Max Size |
|---|---|
 Ghost Fish
|
200lb |
 Skeletal Shark
|
200lb |
 Demon Angler
|
200lb |
WinterFest Fish[]
A WinterFest fish can only be caught using a Candy Cane Bait.
| Fish | Max Size |
|---|---|
 Swedish Fish
|
180lb |
 Gingerbread Fish
|
150lb |
 Neon Squid
|
200lb |
 Antarctic Icefish
|
120lb |
 Mr. Narwhal
|
200lb |
 Glass Piglet Squid
|
50lb |
COTD Fish[]
A COTD fish may be caught during its respective event using a Catch-of-the-Day Bait. All fish caught using a Catch-of-the-Day Bait have a max perfect size of 150lb, but the bait's extra effect may allow the player to catch even bigger fish, causing them to be labeled "Massive". The maximum massive fish size is 186lb.
| Fish | Max Size | Recipe |
|---|---|---|
 Rainbowfish
|
150lb | Appears during St. Patrick's Week only |
 Totally Legit Bunnyfish
|
150lb | Appears during Easter Week only |
 Axolotl
|
150lb | Appears during Cinco De Mayo Week only |
 Pineapple Fish
|
150lb | Appears during Super Pineapple Party only |
 Firefin
|
150lb | Appears during SummerFest only |
 Koi Fish
|
150lb | Appears during Harvest Festival only |
 Turkey Fish
|
150lb | Appears during Thanksgiving Week only |
 Mutant Fish
|
150lb | Appears during Night Of The Comet only |
 Orca
|
150lb | Appears on random days of the week |
 Seahorse
|
150lb | Appears on random days of the week |
 Picasso Triggerfish
|
150lb | Appears on random days of the week |
Trivia[]
- A bug involving the Shrimp Lure made players able to catch any kind of fish with a greatly higher size than perfect during the first hours after the fishing update was released. This bug had since been fixed.