How to Catch Forbidden Plesiosaur in Fisch

Divine SecretC$ 0.228/kg•Tidefall

Where

Tidefall

When

Anytime

Weather

Any

Avg Sale

C$ 45,667

Find more fish at Tidefall Calculate catch value

Spawn Locations

Tidefall

How to Catch It

Fixed odds of 1 in 500,000 per catch, at Tidefall.

Bait it prefers: None listed on the wiki
Rod: Any rod that can hold itLuck does not change a fixed chance
Reeling: The bar fills 95% slower, and most modifiers cannot change that
XP per catch: 18,500 before bonuses

From the Forbidden Plesiosaur's page on the Fisch Wiki, checked October 11, 2026. No fish needs a minimum Luck: Luck only raises your chance of the rarer fish in a pool.

Open the Rod Advisor →All baits →All rods ranked →

NPC Sell Value

Price and weight checked 2026-10-11. Wiki source. Player trade prices may differ.

NPC price per kg

C$ 0.228/kg

Natural weight range

100,000-630,000 kg

Average catch

C$ 45,667

With Tryhard mutation (10x): C$ 456,667

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Spawn Conditions

Time: Any
Weather: Any

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Fisch illustration of a low-poly seaside fish market: blocky fishermen at a stall with a big tuna on a brass balance scale, gold coins and gems, and crates of fish on ice by a bright harbor — Illustration: AI-generated artwork, not a game screenshot

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