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Fishing is a mechanic in Core Keeper that allows the player to catch fish and other rare loot using a fishing rod.

The player may hold the right mouse button while holding a fishing rod to charge, then release it to cast one to three blocks in the direction of the cursor, depending on the amount of time it was held down. This distance can be increased with the Throwing expert talent active.

The player is able to catch fish in any liquid, however if the rod is cast into a bubbling fish shoal, they will get a bite more quickly and with a gauranteed chance of the catch being a fish. Once the fishing rod's bobber is bobbing, indicating that a fish has been caught on the hook, the player has a few more seconds to press the right mouse button to enter the minigame.

At the start of the minigame, two bars show up. The top one shows the progress the player has made in catching the fish, while the bottom one shows how close your fishing line is to breaking. The goal is to get the fish all the way to the left of the progress bar, while not allowing the line to break.

During the minigame, the fish tries to break free, cycling between periods of escaping, indicated by the fish turning red and shaking, and resting, indicated by the fish being calm and not tinted. During the rest period, the player must hold the right click button to bring the fish closer to the left, thus progressing the minigame, and stop just before its escape period, since pulling while the fish is resisting will cause the line to break much faster and does not progress the minigame.

Each fish has its own unique cycle. For example, the Orange Cave Guppy has a long escape period, a long rest period, then repeats, and the Rock Jaw has a very short escape, a short rest, a very short escape, a short rest, a very short escape, a medium rest, then repeats. It is therefore possible to recognize the type of fish about to be caught depending on its cycle.

The cast or minigame can be canceled any time by unequipping the fishing rod or moving the character.

Catches[]

Undergrounds[]

  • Fishing from normal water in the Undergrounds will yield the following items.

    Fish

    FishChancePattern
    Orange Cave Guppy Orange Cave Guppy37%1.5s escape • 1.5s rest
    Blue Cave Guppy Blue Cave Guppy29%1s escape • 1s rest • 1s escape • 1s rest • 0.5s rest
    Rock Jaw Rock Jaw21%0.5s escape • 0.5s rest • 0.5s escape • 0.5s rest • 0.5s escape • 1s rest
    Gem Crab Gem Crab13%0.5s escape • 0.5s rest • 1s escape • 1s rest

    Loot

    ItemAmountChance
    1 roll of the following 13 items
    Green Kelp Green Kelp117.58%
    Scrap Parts Scrap Parts115.7%
    Copper Ore Copper Ore118.84%
    Fiber Fiber110.99%
    Wood Wood17.85%
    Rusty Spoon Rusty Spoon115.7%
    Amber Fish Egg Amber Fish Egg11.57%
    Cave Guppy Necklace Cave Guppy Necklace13.14%
    Scuba Fins Scuba Fins11.88%
    Golden Starfish Golden Starfish10.78%
    Copper Key Copper Key12.2%
    Locked Copper Chest Locked Copper Chest12.2%
    Crude Bomb Crude Bomb21.57%
  • Clay Caves and Larva Hive[]

  • Fishing from normal water in the Clay Caves, or from acid water in any biome will yield the following items.

    At least 60 fishing is also required, which can be provided by a Tin Fishing Rod.

    Fish

    FishChancePattern
    Yellow Blister Head Yellow Blister Head37%1s escape • 1s rest • 0.5s escape • 0.5s rest
    Green Blister Head Green Blister Head29%1s escape • 1s rest • 0.5s escape • 0.5s rest
    Devil Worm Devil Worm21%0.5s escape • 0.5s rest
    Vampire Eel Vampire Eel13%1s escape • 0.5s rest • 1s escape • 0.5s rest • 1s escape • 1.5s rest

    Loot

    ItemAmountChance
    1 roll of the following 15 items
    Yellow Kelp Yellow Kelp164.45%
    Scrap Parts Scrap Parts16.58%
    Tin Ore Tin Ore17.89%
    Fiber Fiber14.6%
    Wood Wood13.29%
    Mucus Amoeba Mucus Amoeba16.58%
    Parasite Fossil Parasite Fossil10.66%
    Rusted Ring Rusted Ring11.25%
    Neptune Necklace Neptune Necklace10.79%
    Golden Cocoon Golden Cocoon10.33%
    Grub Pearl Grub Pearl10.16%
    Iron Key Iron Key10.92%
    Locked Iron Chest Locked Iron Chest10.92%
    Wildwarden Necklace Wildwarden Necklace10.92%
    Bomb Bomb2–40.66%
  • Forgotten Ruins[]

  • Fishing from normal water in the Forgotten Ruins will yield the following items.

    At least 100 fishing is also required, which can be provided by a Iron Fishing Rod.

    Fish

    FishChancePattern
    Dagger Fin Dagger Fin37%1s escape • 1s rest
    Pink Palace Fish Pink Palace Fish29%1s escape • 1s rest • 2s escape • 2s rest
    Teal Palace Fish Teal Palace Fish21%1s escape • 1s rest • 2s escape • 2s rest
    Crown Squid Crown Squid13%1.5s escape • 1.5s rest • 1s escape • 1s rest • 0.5s escape • 0.5s rest

    Loot

    ItemAmountChance
    1 roll of the following 16 items
    Grey Kelp Grey Kelp114.61%
    Scrap Parts Scrap Parts115.54%
    Iron Ore Iron Ore120.2%
    Fiber Fiber110.88%
    Gold Ore Gold Ore17.77%
    Soft Sponge Soft Sponge115.54%
    Adder Stone Adder Stone11.55%
    Caveling Perfume Caveling Perfume10.78%
    Bubble Pearl Necklace Bubble Pearl Necklace11.86%
    Goldfish Ring Goldfish Ring11.86%
    Enhydro Crystal Enhydro Crystal10.39%
    Iron Key Iron Key12.18%
    Locked Iron Chest Locked Iron Chest12.18%
    Trenchcoat Trenchcoat12.18%
    Deceased Explorer Deceased Explorer12.18%
    Large Bomb Large Bomb10.31%
  • Azeos' Wilderness[]

  • Fishing from normal water in Azeos' Wilderness will yield the following items.

    At least 140 fishing is also required, which can be provided by a Scarlet Fishing Rod.

    Fish

    FishChancePattern
    Azure Feather Fish Azure Feather Fish37%1.5s escape • 1.5s rest
    Emerald Feather Fish Emerald Feather Fish29%1s escape • 1s rest • 1s escape • 1s rest • 0.5s rest
    Spirit Veil Spirit Veil21%0.5s escape • 0.5s rest • 1s escape • 1s rest
    Astral Jelly Astral Jelly13%1s rest • 1s escape • 0.5s rest • 1s escape

    Loot

    ItemAmountChance
    1 roll of the following 17 items
    Red Kelp Red Kelp113.81%
    Scrap Parts Scrap Parts115.35%
    Scarlet Ore Scarlet Ore119.95%
    Fiber Fiber110.74%
    Gold Ore Gold Ore17.67%
    Lost Paddle Lost Paddle115.35%
    Feather Fish Scale Feather Fish Scale11.53%
    Caveling Medal Caveling Medal10.77%
    Rainbow Kelp Rainbow Kelp10.38%
    Sea Foam Ring Sea Foam Ring11.84%
    Scarlet Key Scarlet Key12.15%
    Locked Scarlet Chest Locked Scarlet Chest12.15%
    Trenchcoat Trenchcoat12.15%
    Mercenary Headband Mercenary Headband11.53%
    Mercenary Pants Mercenary Pants11.53%
    Mercenary Tank Top Mercenary Tank Top11.53%
    Scarlet Hand Drill Scarlet Hand Drill11.53%
  • Mold Dungeon[]

  • Fishing from mold water in any biome will yield the following items.

    At least 160 fishing is also required, which can be provided by a Scarlet Fishing Rod.

    Fish

    FishChancePattern
    Mold Shark Mold Shark50%0.5s escape • 0.5s rest • 0.5s escape • 0.5s rest • 0.5s escape • 1s rest
    Rot Fish Rot Fish37%2s escape • 1.5s rest
    Black Steel Urchin Black Steel Urchin13%1s escape • 1s rest • 1s escape • 1s rest • 0.5s escape • 1s rest • 1.5s escape • 1s rest

    Loot

    ItemAmountChance
    1 roll of the following 13 items
    Pale Kelp Pale Kelp117.16%
    Scrap Parts Scrap Parts115.89%
    Scarlet Ore Scarlet Ore120.65%
    Fiber Fiber111.12%
    Gold Ore Gold Ore17.94%
    Giant Germ Giant Germ115.89%
    Mold Shell Mold Shell11.59%
    Ceremonial Flute Ceremonial Flute10.79%
    Data Slate Data Slate10.4%
    Kelp Mantle Kelp Mantle11.91%
    Scarlet Key Scarlet Key12.22%
    Locked Scarlet Chest Locked Scarlet Chest12.22%
    Plague Mask Plague Mask12.22%
  • Sunken Sea[]

  • Fishing from normal water in the Sunken Sea, or from sea water in any biome will yield the following items.

    At least 180 fishing is also required, which can be provided by an Octarine Fishing Rod.

    Fish

    FishChancePattern
    Bottom Tracer Bottom Tracer32%1s escape • 1s rest • 1s escape • 1.5s rest
    Silver Dart Silver Dart22%0.5s escape • 0.5s rest • 0.5s escape • 1s rest
    Golden Dart Golden Dart22%0.5s escape • 0.5s rest • 0.5s escape • 0.5s rest • 0.5s escape • 1s rest
    Pink Coralotl Pink Coralotl12%0.5s rest • 0.5s escape • 1s rest • 1s escape • 1.5s rest • 1.5s escape
    White Coralotl White Coralotl12%1.5s rest • 1.5s escape • 1s rest • 1s escape • 0.5s rest • 0.5s escape

    Loot

    ItemAmountChance
    1 roll of the following 16 items
    Blue Kelp Blue Kelp120.56%
    Scrap Parts Scrap Parts118.03%
    Octarine Ore Octarine Ore123.44%
    Fiber Fiber112.62%
    Gold Ore Gold Ore19.02%
    Giant Squid Eye Giant Squid Eye11.8%
    Golden Needle Golden Needle11.8%
    Polished Shell Polished Shell10.9%
    Opabinia Fossil Opabinia Fossil10.45%
    Golden Jellyfish Golden Jellyfish12.71%
    Diving Helm Diving Helm11.08%
    Octarine Key Octarine Key12.16%
    Locked Octarine Chest Locked Octarine Chest12.16%
    Octarine Sledge Hammer Octarine Sledge Hammer11.08%
    Wildwarden Pants Wildwarden Pants11.08%
    Pearl Lantern Pearl Lantern11.08%
  • Desert of Beginnings[]

  • Fishing from normal water in the Desert of Beginnings will yield the following items.

    At least 220 fishing is also required, which can be provided by an Octarine Fishing Rod.

    Fish

    FishChancePattern
    Solid Spikeback Solid Spikeback26.32%1s escape • 1s rest • 0.5s escape • 0.5s rest
    Sandy Spikeback Sandy Spikeback26.32%1s escape • 1s rest • 0.5s escape • 0.5s rest
    Brown Dune Tail Brown Dune Tail18.8%1.5s escape • 1.5s rest • 1s escape • 1s rest • 0.5s escape • 0.5s rest
    Grey Dune Tail Grey Dune Tail18.8%1.5s rest • 1.5s escape • 1s rest • 1s escape • 0.5s rest • 0.5s escape
    Tornis Kingfish Tornis Kingfish9.77%0.8s escape • 0.8s rest • 0.8s escape • 0.8s rest • 0.4s escape • 0.8s rest • 1.2s escape • 0.8s rest

    Loot

    ItemAmountChance
    1 roll of the following 14 items
    Flesh Kelp Flesh Kelp117.84%
    Galaxite Ore Galaxite Ore119.01%
    Scrap Parts Scrap Parts114.62%
    Fiber Fiber114.62%
    Gold Ore Gold Ore17.31%
    Ancient Fishing Hook Ancient Fishing Hook17.31%
    Broken Gourd Broken Gourd17.31%
    Broken Toy Ship Broken Toy Ship12.92%
    Kingfish Scale Kingfish Scale11.46%
    Noble Ring Noble Ring11.46%
    Double Ring Double Ring11.02%
    Oracle Card "Temperance" Oracle Card "Temperance"11.02%
    Galaxite Key Galaxite Key12.05%
    Locked Galaxite Chest Locked Galaxite Chest12.05%
  • Molten Quarry[]

  • Fishing from lava in any biome will yield the following items.

    A Galaxite or Solarite Fishing Rod is required to fish in lava.

    Fish

    FishChancePattern
    Dark Lava Eater Dark Lava Eater28.17%1s escape • 1s rest • 0.5s rest
    Bright Lava Eater Bright Lava Eater28.17%1s escape • 0.5s escape • 1s rest • 0.5s rest
    Elder Dragonfish Elder Dragonfish18.78%0.5s escape • 0.5s rest • 0.5s escape • 0.5s rest • 1s rest • 1s escape
    Verdant Dragonfish Verdant Dragonfish18.78%0.5s escape • 0.5s rest • 0.5s escape • 0.5s rest • 1s rest • 1s escape • 1s rest • 1s escape
    Starlight Nautilus Starlight Nautilus6.1%1s escape • 1s rest • 2s escape • 2s rest

    Loot

    ItemAmountChance
    1 roll of the following 13 items
    Dark Blue Kelp Dark Blue Kelp122.26%
    Scrap Parts Scrap Parts117.67%
    Galaxite Ore Galaxite Ore122.97%
    Gold Ore Gold Ore18.83%
    Ancient Gemstone Ancient Gemstone18.83%
    Ancient Fishing Hook Ancient Fishing Hook18.83%
    Fusion Alloy Fusion Alloy13.53%
    Starlight Shards Starlight Shards10.88%
    Miner's Protective Helm Miner's Protective Helm10.53%
    Fusioned Chunk Necklace Fusioned Chunk Necklace11.06%
    Core Iris Core Iris10.35%
    Galaxite Key Galaxite Key12.12%
    Locked Galaxite Chest Locked Galaxite Chest12.12%
  • Shimmering Frontier[]

  • Fishing from shimmering water in any biome will yield the following items.

    At least 260 fishing is also required, which can be provided by a Galaxite Fishing Rod.

    Fish

    FishChancePattern
    Beryll Angle Fish Beryll Angle Fish29.63%1s escape • 0.5s rest • 0.5s escape • 1s rest • 1s escape • 1s rest
    Glistening Deepstalker Glistening Deepstalker25.93%0.5s escape • 1s rest • 0.5s escape • 1s rest • 1s escape • 0.5s rest • 1s escape • 0.5s rest
    Jasper Angle Fish Jasper Angle Fish18.52%1s escape • 0.5s rest • 0.5s escape • 1s rest • 1s escape • 1s rest
    Splendid Deepstalker Splendid Deepstalker14.81%0.5s escape • 1s rest • 0.5s escape • 1s rest • 1s escape • 0.5s rest • 1s escape • 0.5s rest
    Cosmic Form Cosmic Form11.11%0.5s escape • 0.5s rest • 1s escape • 0.5s rest • 1s rest • 0.5s escape • 1s rest • 1s escape

    Loot

    ItemAmountChance
    1 roll of the following 14 items
    Crystal Kelp Crystal Kelp114.29%
    Scrap Parts Scrap Parts114.29%
    Solarite Ore Solarite Ore14.76%
    Gold Ore Gold Ore14.76%
    Crystal Bone Crystal Bone111.43%
    Triops Fossil Triops Fossil19.52%
    Catalyst Gemstone Catalyst Gemstone12.86%
    Gleam Wood Seed Gleam Wood Seed19.52%
    Sunrice Seed Sunrice Seed110.48%
    Lunacorn Seed Lunacorn Seed110.48%
    Solarite Key Solarite Key14.76%
    Ninja Cowl Ninja Cowl10.95%
    Ninja Garments Ninja Garments10.95%
    Ninja Leggings Ninja Leggings10.95%
  • Boost gear[]

    Skills and talents[]

    Skill/Talent Effects
    Fishing Fishing +0–100 fishing
    Angler's advantage Angler's advantage Fish starts +3–15% closer to be reeled in
    Fisherman's luck Fisherman's luck +4–20% chance to get a fish on the hook
    Throwing expert Throwing expert +10–50% fishing rod throw range

    Bait[]

    Bait Effects Level
    Glowing Bait Glowing Bait+10% chance to get a valuable or other non-fish item on the hook when fishing4
    Spicy Bait Spicy BaitFish bites +9% faster4
    Sticky Bait Sticky BaitFish starts +7% closer to be reeled in4
    Sweet Bait Sweet Bait+10% chance to get a fish on the hook4
    Green Bait Green BaitFish bites +7% faster
    +7% chance to get a fish on the hook
    9
    Red Bait Red BaitFish bites +8% faster
    Fish starts +6% closer to be reeled in
    9
    Purple Bait Purple Bait+21% chance for higher rarity fish to bite10

    Armor[]

    Armor Effects Level
    Scuba Fins Scuba Fins+12–52 max health
    +7–27 armor
    +8–21% chance to get a fish on the hook
    4
    Kelp Mantle Kelp Mantle+32–57 max health
    +16–28 armor
    Fish starts +7–11% closer to be reeled in
    10
    Diving Helm Diving Helm+30–42 max health
    +17–24 armor
    +7–9% chance for higher rarity fish to bite
    +40–56 fishing
    13

    Accessories[]

    Accessory Effects Level
    Goldfish Ring Goldfish RingFish bites +13–23% faster8
    Neptune Necklace Neptune Necklace+53–120 fishing8
    Sea Foam Ring Sea Foam Ring+51–102 fishing9
    Lucky Ring Lucky Ring+7–10% chance to gain an additional ore from walls containing ores
    +7–9% chance to get a valuable or other non-fish item on the hook when fishing
    12
    Polished Coral Amulet Polished Coral Amulet+17–23% boat speed
    +12–15% chance for higher rarity fish to bite
    13

    Consumables[]

    Consumable Effects Base cooked effects
    Astral Jelly Astral Jelly+10 food
    +5.2 health every sec for 20 sec
    +21 food
    +5.2 health every sec for 20 sec
    +63 fishing for 5 min
    Kelp Dumpling Kelp Dumpling+15% chance to get double fish when catching a fish for 5 min
    +15% larger harvests for 5 min
    +21 food
    N/A

    Set bonuses[]

    3 set: +24% of fishing added as range damage
    5 set: +29% chance to get double fish when catching a fish

    Achievements[]

    Achievement Legendary Fossil  
    Legendary Fossil"Catch a Starlight Nautilus"

    History[]

    • 0.7.4.0-6fbe:
      • Players can no longer fish while the inventory is open.
      • The fishing line tension bar now looks correct if the map is open while fishing.
    • 0.3.0-297a: Introduced.
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