Aquatic Bestiary - Sea life to the Commonwealth
⚪ Last updated 2017⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview

🔍 Analysis
- 👍 2.7% endorsement rate — high engagement, a strong quality signal
- 🏆 #28 of 35 Creatures mods in this game by downloads
📋 About This Mod
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About This Modification With the Aquatic Bestiary mod you can now come across radioactive sea creatures in the Commonwealth's waters.
Modification Specifics This mod is available on all systems!This does not modify any existing assets from Fallout 4. All creatures use custom texture and mesh. All new assets are custom made for this mod. Spoiler: Locations You're more likely to find them in the ocean but some areas have a few fish and the occasional dolphin. There is a Fisherman's shack across the river from Taffington's Boathouse Spoiler: Enemies Dolphins appear in area close to or near the ocean, they can also be Albino or Glowing. Shrimp appear in the ocean, Crawfish appear in rivers and lakes. Squids appear in the ocean. (They currently are bugged.)
Adds radioactive fish and whales to the Commonwealth's waters, bringing sea life to Fallout 4. A niche creature mod with 1,813 endorsements, last updated in 2017, so compatibility with current game versions is uncertain.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community favorite with 1,813 endorsements and over 66k downloads.
- Fills a gap in the base game—makes oceans and rivers feel alive.
- Simple concept, easy to understand: just adds creatures.
⚠️ Cons
- Last updated in 2017—may not work with the latest Fallout 4 patches or DLC.
- Only adds fish and whales; no other sea creatures like crabs or octopuses.
For Fallout 4 explorers who want more life in the water and enjoy environmental immersion. Skip if you're looking for new quests or gameplay mechanics—this is purely a creature addition.
💡 Beginner Tips
- Make sure to install with a mod manager like Nexus Mods' Vortex to avoid manual file placement issues.
- Check if the mod requires any DLC or updates—since it's from 2017, test it early in your playthrough.
- If you're using other water or creature mods, load this one after them to avoid conflicts.
📊 Mod Details
- Game
- Fallout 4 Mods
- Author
- MisterOverseer aka Oakland Elliff
- Version
- 8
- Downloads
- 66,788
- Endorsements
- 1,813
- Category
- Creatures
- Created
- 7/29/2016
- Updated
- 1/2/2017
🔧 How to Install Fallout 4 Mods
Download from Nexus.
📖 Full step-by-step install guide for Fallout 4 →
Visit the official mod page for specific installation instructions for this mod.
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