Ancient GoldwraithC$322K⚠ Check in gameSynced 2 days ago
Source: Fisch Wiki (CC BY-SA 4.0) · Value = in-game sell price, not player trade prices · Last checked Nov 11, 2026
Secret
No value yet
The Fisch Wiki has no average sell price for Blue Sea Slug, so we don't give it a value. It shows here once the wiki adds one.
Not rated yet — can't go in the calculator.
Fish data
RaritySecret
Where to catchLuminescent Cavern
Average weight—
Weight range—
Sells per kg—
XP—
Other Secret fish with a value
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Other fish at Luminescent Cavern
- Blue Ribbon Eel · Rare · 360 C$/kg
- Bluelip Batfish · Common · 8.33 C$/kg
- Atolla Jellyfish · Mythical
- Dinoflagellates · Unusual
- Electric Blue Seahorse · Mythical
- Hawaiian Bobtail Squid · Uncommon
FAQ
Where do you catch Blue Sea Slug in Fisch?
Blue Sea Slug is listed under Luminescent Cavern. Luminescent Cavern has 7 fish in total.
How rare is Blue Sea Slug?
Fisch Wiki lists Blue Sea Slug as Secret.