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FISCHPEDIA GUIDE Trading & Mutation Hub
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King Oyster
Common Tier

King Oyster

The King Oyster is a common tier species primarily inhabiting Terrapin Island. The preferred bait for this species is Universal Bait throughout All Seasons. Watch for weather patterns like Any Weather, occurring mostly during Day & Night. Market valuation currently rates normal specimens at 152 C$, multiplying drastically under Abyssal mutation at 912 C$.

Location Terrapin Island
Best Bait Universal Bait
Season All Seasons
Weather Any Weather

🧬 Mutation Value Scaling

Mutation Tier Multiplier Calculated Selling Value
Normal x1.00 152 C$
Albino / Shiny x1.80 274 C$
Mythic / Giant / Colossal x3.50 532 C$
Abyssal / Hexed / Aurora x6.00 912 C$

⚖️ Popular Trade Matchups for King Oyster

See common trade scenarios and profitability ratios for this item against top-tier fish and rods.

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Complete Fisch Value Tier List & Safe Trading Guide (2026)

Mastering the fishing economy in Roblox Fisch requires understanding mutation multipliers, rod luck stats, and weather event schedules. Every fish caught in Vertigo, Roslit, or Moosewood possesses distinct weight valuations and mutation bonuses ranging from Albino (x1.8) to Abyssal (x6.0).

🛡️ Safe Trading & Anti-Scam

Always confirm base weights and mutation badges in the trade window before accepting. Beware of manipulated low-tier fish trades.

📈 W/F/L Trade Calculator

Use our 2-sided trade matrix to calculate whether your fish offer is a Win, Fair, or Loss before locking in multi-item trades with other players.

🎣 Top Rods & Resilience

Upgrading from standard rods to the Destiny Rod, Mythical Rod, or Trident Rod increases lure speed, resilience, and maximum catch weight needed for Colossal Squids and Megalodons.