Mythic

Runic Sea Crustacean

Caught at Ancient Jungle (Ancient Ruin).

Base odds

1 in 50K

50% chance

34.7K casts

90% chance

115K casts

Rarity

Mythic

Cast counts use base odds at 0% luck, so they're the worst case.

Best mutations for Runic Sea Crustacean

Galaxy (0.5% chance)×6.5 valueMidnight (0.7% chance)×4.8 valueGemstone (0.5–0.6% chance)×4.8 valueLightning (0.8–0.9% chance)×4.2 valueRadioactive (0.9% chance)×4 value

Other fish at Ancient Jungle

Elshark Gran Maja1 in 4MAncient Lochness Monster1 in 3MTalon Serpent1 in 3MAncient Whale1 in 2.8MBone Whale1 in 2MKing Jelly1 in 1.5MGladiator Shark1 in 1MMosasaur Shark1 in 800K

FAQ

Where do you catch Runic Sea Crustacean in Fish It?

Runic Sea Crustacean is caught at Ancient Jungle (Ancient Ruin).

How rare is Runic Sea Crustacean?

Runic Sea Crustacean is Mythic with base odds of 1 in 50,000 at 0% luck. A rod with more Luck makes it more likely.

What is the best mutation for Runic Sea Crustacean?

Galaxy multiplies sell value by ×6.5, the highest standard mutation. Midnight and Gemstone (×4.8) come next.

💡 Did you know?

Galaxy fish sell for ×6.5, and about 1 in 200 catches is Galaxy.

🗓️ Updates

No update announced yet. We check daily.

Data last checked 2026-11-03.

See all game updates →

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