Explore the Open Ocean Bestiary in Fisch Roblox and learn how to catch every rare fish with pro tips to complete your collection efficiently.

In Fisch’s massive Second Sea update, the game takes fishing to a new level. Gone are the days of exploring just islands or coastal zones. This time, you’re heading straight into the Open Ocean, packed with 23 unique fishes, including some extremely rare finds like the Sea Leviathan.
Whether you’re looking to complete your bestiary for achievement or just chilling and catching some high-tier fish for your collection, this guide has everything you need to know about fishing in the Open Ocean. Let’s dive in.
How To Unlock the Open Ocean in Fisch Roblox
To get access to the Open Ocean, you first need to defeat the Cthulhu Boss at Terrapin Island in the First Sea. Then head over and interact with the Sea Traveler NPC to unlock the Second Sea. Once you’ve reached Waveborne Island, spawn your boat at the Shipwright and head into the wide waters.
Note: You’ll be fishing away from islands, as only the vast water counts for Open Ocean catches.
Open Ocean Bestiary: Full Fish List
Here’s a complete list of every fish in the Open Ocean, including their bait, season, time, weather, and how hard they are to reel in (Progress Speed).
Fish Name | Bait | Season | Time | Weather | Progress Speed |
Shrimp | Spring | Night | Rain | 8% | |
Sapphire Krill | Summer | Day | Clear | 12% | |
Mist Worms | Summer | Day | Windy | 10% | |
Lagoon Leech | Spring | Any | Windy | 18% | |
Minnow | Winter | Night | Rain | 14% | |
Crystal Bananas | Autumn | Night | Foggy | 16% | |
Ember Berries | Winter | Night | Rain | -7% | |
Flakes | Autumn | Day | Foggy | -10% | |
Gale Grub | Summer | Day | Windy | -5% | |
Lushrooms | Spring | Night | Rain | -6% | |
Squid | Winter | Night | Clear | -3% | |
Minnow | Summer | Night | Windy | -45% | |
Lagoon Leech | Spring | Night | Foggy | -38% | |
Gale Grub | Autumn | Day | Rain | -42% | |
Crystal Bananas | Winter | Night | Foggy | -40% | |
Crystal Bananas | Autumn | Night | Foggy | -72% | |
Mist Worms | Spring | Day | Rain | -68% | |
Sapphire Krill | Winter | Day | Clear | -65% | |
X-ray Tetra | Sapphire Krill | Summer | Day | Windy | -78% |
Sea Leviathan (Secret) | Luminous Larva | Spring | Any | Foggy | -90% |
Luminous Larva | Autumn | Day | Foggy | -92% | |
Mist Worms | Winter | Night | Clear | -65% | |
Mist Worms | Summer | Day | Clear | -68% |
Best Tips To Catch Open Ocean Fishes in Fisch
1. Best Rods to Use
Fishing in the Open Ocean gets tough due to negative progress speeds, so resilience is key. Here are two top rods: the Rod of the Forgotten Fang (great stats + passive for high-tier fishes) and the Ethereal Prism Rod (balanced option with solid versatility).
Read More: Fisch Roblox Guide: All Second Sea Rod Locations Explored
2. Best Enchants for Open Ocean Rods
To maximize efficiency, equip your rods with:
- Mystical: Reduces the 50% debuff on First Sea rods.
- Resilient: Improves strength and stability while reeling.
- Quality: Boosts all stats for a general power-up.
3. Best Bait To Use
You’ll need baits with Lure Speed and Resilience; try Coral, Deep Coral, and Seaweed.
4. Ideal Rod + Bait + Enchant Combo
The most reliable setup is Rod of the Forgotten Fang with Mystical Enchantment and Coral bait. It gives you speed, control, and strength, which is essential for reeling in the trickier Mythicals and Secret fish.
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