Core Keeper: Complete Guide To Fishing

Quick Links

  • Fishing Basics
  • Fishing Rods
  • Fishing Talents
  • Fishing Locations

Once you've found or crafted a Fishing Rod in Core Keeper, you can catch nutritious fish and unique items from the underground lakes you find during your adventures. Fishing can produce some of the best food in the game, and taking the time to level up your Fishing Talents can have lots of benefits down the road.

With this guide, you'll be able to choose the best fishing locations and know what rewards to seek. Always have a Fishing Rod with you while exploring – you never know when you might stumble upon a good spot to cast a line!

Core Keeper is in early access at the time of this writing. The information in this guide is subject to change as the game develops.

Fishing Basics

When you have a Fishing Rod equipped, you can cast the line by holding and releasing the secondary action button. The primary action button will swing the Fishing Rod like a weapon. The longer you hold the secondary action button, the further the line will go, up to a limit of three tiles.

If the line doesn't land in water, your Explorer will simply reel it back in. Otherwise, they'll wait for you to reel in the line manually by pressing the secondary action button again. If you move or unequip the Fishing Rod, the Explorer will stop fishing.

While fishing, listen for the "bloop" sound of a bite on your line. You can also watch the bobber to see if it gets pulled under the water. When these things happen, press the secondary action button once more to reel in your catch.

If the line is in a tile with visible fish, you'll start reeling in a live catch. Hold the secondary action button to pull the fish in, but let go when the fish indicator turns red. Trying to reel the fish in while the icon is red will cause your tension meter at the bottom of the screen to increase – if it fills completely, the line will snap and the fish will escape. A higher Fishing Skill causes the tension meter to fill more slowly.

Each fish has a unique rhythm of when to reel and when to ease up. With practice, you'll be able to guess what kind of fish you've hooked by its behavior alone.

If your fishing line is in a tile without fish, you are likely to pull up an item instead. In this case, there will be reel-in minigame. Instead, you'll simply pull up a random item based on the area in which you are fishing.

Fishing Rods

Basic Fishing Rods can be found throughout the Underground World inside of crates. Once you've made your first Tin Workbench you can begin crafting your own Fishing Rods.

Generally, you'll only need one Fishing Rod so use the highest-tier version that you have. Your equipped Fishing Rod provides a flat bonus to your Fishing Skill, and loses Durability with each cast.

In advanced regions, your Explorer may note that they need a better Fishing Rod to fish effectively. This means that your effective Fishing Skill isn't high enough to catch anything in the current area. Return with a better Fishing Rod to have a chance at catching the fish in those locations.

As a general rule, fishing in a region requires a Fishing Rod of the mineral found in that region. For example, to fish in the Forgotten Ruins where Iron is plentiful, you'll need an Iron Fishing Rod or better.

All Fishing Rods

ToolWorkbenchMaterialsSkill BonusDurability
Wooden Fishing RodN/A
  • N/A
3850
Tin Fishing RodTin Workbench
  • 5x Wood
  • 4x Tin Bar
7475
Iron Fishing RodIron Workbench
  • 5x Wood
  • 5x Iron Bar
  • 1x Gold Bar
126100
Scarlet Fishing RodScarlet Workbench
  • 5x Wood
  • 7x Scarlet Bar
169125

Fishing Talents

As will all Skills, every five ranks in Fishing unlocks a Talent Point. Fishing has particularly useful Talents available, so it's worthwhile to level up for these potent bonuses.

Most Talents have Prerequisites. To unlock a Talent, at least one of its Prerequisite Talents must be at the maximum level (five).

Each Talent provides an increasing bonus with each Talent Point (TP) assigned to it. The more TP assigned, the higher the total bonus will be.

TalentPrerequisiteBonus Per TP
Angler's Advantage
  • N/A
  • Fish start three percent closer to being reeled in when hooked.
Fisherman's Luck
  • Angler's Advantage
  • Your character is four percent more likely to hook a fish instead of an item.
Improved Bait
  • Angler's Advantage
  • Fish bite five percent faster.
Studied Patterns
  • Fisherman's Luck
  • Your character's dodge chance increases by two percent.
Throwing Expert
  • Improved Bait
  • Your fishing line can be cast ten percent farther.
Steady Feet
  • Fisherman's Luck

OR

  • Improved Bait
  • Slippery terrain affects your character ten percent less.
Well-Trained Aim
  • Studied Patterns

OR

  • Steady Feet
  • Two percent of your total Fishing Skill is added to the damage done by your ranged attacks.
Power Of Omega-3!
  • Throwing Expert

OR

  • Steady Feet
  • After eating fish (raw or cooked), your character gains a temporary three-percent damage bonus against bosses.

Fishing Locations

Each region has a unique group of available fish and items in its waters. Once the game decides whether you've hooked a fish or an item, it randomly determines what exactly is on the line, using the rarities below. Getting rare catches requires dedication and patience, but knowing where to fish is a great start!

The acid ponds of the Larva Hive cannot sustain life, so you cannot fish in that region.

The Underground (Starting Region)

FishEffectPercentage Chance
Orange Cave Guppy
  • +10 Food.
  • +2.1 HP/second for 20 seconds.
  • Cooked Effect: Increased mining damage.
52.88
Blue Cave Guppy
  • +11 Food
  • +2.2 HP/second for 20 seconds.
  • Cooked Effect: Increased dodge chance.
24.04
Rock Jaw
  • +11 Food
  • +2.5 HP/second for 20 seconds.
  • Cooked Effect: Increased melee damage.
15.38
Gem Crab
  • +10 Food
  • +3.1 HP/second for 20 seconds.
  • Cooked Effect: Increased armor.
7.69
ItemEffectPercentage Chance
Green Kelp
  • Can be sold for 1 Coin.
80.39
Rusty Spoon
  • Can be sold for 3 Coins.
16.08
Amber Fish Egg
  • Can be sold for 31 Coins.
1.61
Cave Guppy Necklace
  • Equip to Necklace slot.
  • +6 Dodge.
1.13
Golden Starfish
  • Can be sold for 47 Coins.
0.8

The Clay Caves

FishEffectPercentage Chance
Yellow Blister Head
  • +10 Food
  • +2.6 HP/second for 20 seconds.
  • Cooked Effect: Ignore slime tiles' slow effect.
52.88
Green Blister Head
  • +10 Food
  • +2.5 HP/second for 20 seconds.
  • Cooked Effect: Immunity to acid damage.
24.04
Devil Worm
  • +10 Food
  • +3 HP/second for 20 seconds.
  • Cooked Effect: Increased ranged damage.
15.38
Vampire Eel
  • +11 Food
  • +3.5 HP/second for 20 seconds.
  • Cooked Effect: Gain HP whenever you hit an enemy with a melee attack.
7.69
ItemEffectPercentage Chance
Yellow Kelp
  • Can be sold for 1 Coin.
80.06
Mucus Amoeba
  • Can be sold for 19 Coins.
16.01
Parasite Fossil
  • Can be sold for 22 Coins.
1.6
Rusted Ring
  • Equip to Ring slot.
  • +7 Armor
1.12
Golden Cocoon
  • Can be sold for 66 Coins.
0.8
Grub Pearl
  • Can be sold for 75 Coins.
0.4

The Forgotten Ruins

FishEffectPercentage Chance
Dagger Fin
  • +11 Food
  • +3.9 HP/second for 20 seconds.
  • Cooked Effect: Deal thorns damage when attacked in melee.
55
Pink Palace Fish
  • +11 Food
  • +3.9 HP/second for 20 seconds.
  • Cooked Effect: Increased melee attack speed.
20
Teal Palace Fish
  • +11 Food
  • +4 HP/second for 20 seconds.
  • Cooked Effect: Increased ranged attack speed.
20
Crown Squid
  • +10 Food
  • +5 HP/second for 20 seconds.
  • Cooked Effect: Increased knockback chance.
5
ItemEffectPercentage Chance
Grey Kelp
  • Can be sold for 1 Coin.
80.71
Soft Sponge
  • Can be sold for 19 Coins.
16.14
Adder Stone
  • Can be sold for 17 Coins.
1.61
Caveling Perfume
  • Can be sold for 58 Coins.
0.81
Enhydro Crystal
  • Can be sold for 99 Coins.
0.4
Bubble Pearl Necklace
  • Equip to Necklace slot.
  • +12 HP
  • +7 Armor
  • +6 Dodge
0.32

Azeos' Wilderness

FishEffectPercentage Chance
Azure Feather Fish
  • +10 Food
  • +4.1 HP/second for 20 seconds.
  • Cooked Effect: Increased HP regeneration.
52.88
Emerald Feather Fish
  • +10 Food
  • +4.5 HP/second for 20 seconds.
  • Cooked Effect: Increased critical hit chance.
24.04
Spirit Veil
  • +9 Food
  • +4.7 HP/second for 20 seconds.
  • Cooked Effect: Increased movement speed.
15.38
Astral Jelly
  • +10 Food
  • +5.2 HP/second for 20 seconds.
  • Cooked Effect: Increased Fishing Skill.
7.69
ItemEffectPercentage Chance
Red Kelp
  • Can be sold for 1 Coin.
80.65
Lost Paddle
  • Can be sold for 14 Coins.
16.13
Feather Fish Scale
  • Can be sold for 28 Coins.
1.61
Caveling Medal
  • Can be sold for 77 Coins.
0.81
Rainbow Kelp
  • Can be placed as a decoration.
  • Can be sold for 63 Coins.
0.4
Sea Foam Ring
  • Equip to Ring slot.
  • +51 Fishing Skill.
0.4

Mold Dungeon

FishEffectPercentage Chance
Mold Shark
  • +10 Food
  • +4.8 HP/second for 20 seconds.
  • Cooked Effect: Increased melee damage.
70
Rot Fish
  • +11 Food
  • -22 HP/second for 20 seconds
  • Cooked Effect: Immunity to mold infection.
25
Black Steel Urchin
  • +10 Food
  • +5.3 HP/second for 20 seconds.
  • Cooked Effect: Deal thorns damage when attacked in melee.
5

The Rot Fish will deal a large amount of damage over time to your Explorer if eaten raw – a total of 440 over twenty seconds. Be sure not to accidentally eat this icky ichthyoid!

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