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• How To Unlock Fishing

• Early Fishing Tips

• Fish Table

Rimworld's latest DLC, Odyssey, introduces a major expansion featuring new biomes and landmarks, tamable animals, and fresh gameplay mechanics such as fishing. This new feature allows your colonists to harvest food all year long—without concerns about frozen water—and even snag rare items like bionic limbs or valuable drugs. In this guide, we’ll cover how to unlock fishing, share essential tips and strategies to keep your colony well-fed and mentally stable, and ensure your fishing zones remain rich with aquatic life for the long haul.

How To Unlock Fishing

• Fishing is exclusively available through the RimWorld Odyssey DLC.
• A Fishing research node will appear in the early part of the tech tree. Make sure you have a functional research bench ready so you can begin as soon as possible. Whether you're a new or established colony, the fishing technology costs 600 research points and should be prioritized when accessible.
• Once researched, you can designate fishing zones where colonists will fish.

For new colonies, carefully evaluate your map and settle near reliable water sources—such as oceans, rivers, or large lakes. Keep in mind that heavy rains may cause flooding, especially near riverbanks. To prevent damage, construct sandbags along vulnerable edges or build bridges to elevate key structures.

Fishing Tips

• Rotate fishing locations regularly – Overfishing can deplete a zone, and if your colony depends heavily on fish, this could lead to starvation. Maintain 3–4 separate fishing areas to rotate between, or have alternative food sources ready.
• Monitor colonist mood – Fishing isn’t recreational, so assigning it to stressed or mentally fragile colonists can worsen their condition. Only assign this task to colonists with stable or positive moods.
• Prioritize cold storage – Fish spoil faster than many other foods. Setting up refrigerated storage early prevents waste.
  • In the early game, use passive coolers on walls to create a basic cold room.
  • Later, research air conditioning to install coolers. Install at least two per wall, power them, and set each to -49°C or lower. Confirm your stored fish and meat are tagged as refrigerated.
• Track fish population – Regularly check your fishing zones for population levels. Low numbers mean slower catches and risk of total depletion. As your colony grows, build bridges over large water bodies to expand fishing access and allow deeper water fishing.
• Choose the right AI Storyteller – While fishing rates aren’t affected by storytellers, Randy Random increases the likelihood of rare events, including unusual catches like drugs or bionic parts. Be prepared for frequent chaos if you pick him.
• Animal Handling matters – A colonist’s animal handling skill directly affects fishing speed. Higher skill = faster catches.

Fish Table

Below is a list of various fish species and where they can typically be found. Occasionally, colonists may reel in rare items such as narcotics, body parts, or even corpses. Over 50 unique fish species exist, ranging from common staples to dangerous or highly valuable catches.

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