1.0× this
Exotic
Ancient Depth SerpentC$6,000StableSynced yesterday
Source: Fisch Wiki (CC BY-SA 4.0) · Value = in-game sell price, not player trade prices · Last checked Nov 11, 2026
MythicalValue rank #143 of 677
C$6,000
= C$6,000 · Normal, average weight
Stable · Synced Nov 11, 2026 · How are values worked out?
Value by mutation
All mutations →Mosasaurus is worth about the same as Toxified Crab (C$6,015) and about the same as Ancient Depth Serpent (C$6,000).
Fish data
RarityMythical
Where to catchAncient Isle
Average weight11.5K kg
Weight range5,400 – 40K kg
Sells per kgC$0.522
XP3,000
Recent changes
Full update log →No change since Nov 9, 2026Mosasaurus is still C$6,000.
Fish with a similar value
Ancient Depth SerpentC$6,0001.0× this
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Celestial KoiC$6,000StableSynced yesterday
1.0× this
Mythical
Icebeard SharkC$6,000StableSynced yesterday
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Rowdy McCharmC$6,000StableSynced yesterday
What can Mosasaurus trade for?
1 × Mosasaurus ≈ 2 × Baby Pond Emperor (C$6,250 vs C$6,000, 4.2% apart = Fair)Try it in the calculator
1 × Mosasaurus ≈ 2 × Blackmouth Catshark (C$6,250 vs C$6,000, 4.2% apart = Fair)Try it in the calculator
1 × Mosasaurus ≈ 2 × Hidden Pipefish (C$6,250 vs C$6,000, 4.2% apart = Fair)Try it in the calculator
Mosasaurus sell price by weight and mutation
C$ at 0.54 C$/kg, using the game's rounding. Mutations are the highest appraisable and event ones; see all multipliers.
| Mutation | × | Lightest5,400 kg | Average11,500 kg | Heaviest40,000 kg |
|---|---|---|---|---|
| No mutation | 1 | 2,916 | 6,210 | 21,600 |
| Shiny | 1.85 | 5,395 | 11,489 | 39,960 |
| Sparkling | 1.85 | 5,395 | 11,489 | 39,960 |
| Nightmare | 8.8 | 25,661 | 54,648 | 190,080 |
| Necrotic | 7.4 | 21,579 | 45,954 | 159,840 |
| Shrouded | 7 | 20,412 | 43,470 | 151,200 |
| Wicked | 6.6 | 19,246 | 40,986 | 142,560 |
| Prismatic | 6.5 | 18,954 | 40,365 | 140,400 |
| NightmareFischFright 2025 | 8.8 | 25,661 | 54,648 | 190,080 |
| Jack's CurseFischFright 2025 | 8.5 | 24,786 | 52,785 | 183,600 |
| PopsicleFischfest | 8.16 | 23,795 | 50,674 | 176,256 |
Other fish at Ancient Isle
- Banana · Secret · 18,500 C$/kg
- Ancient Fragment · Fragment · 5,000 C$/kg
- Meg's Fang · Mythical · 750 C$/kg
- Meg's Spine · Mythical · 300 C$/kg
- Opal · Gemstone · 156.25 C$/kg
- Ruby · Gemstone · 95.5 C$/kg
- Amethyst · Gemstone · 94 C$/kg
- Hallucigenia · Rare · 20 C$/kg
- Piranha · Common · 17 C$/kg
- Amblypterus · Mythical · 13.89 C$/kg
FAQ
How much is Mosasaurus worth in Fisch?
One average Mosasaurus is worth about C$6,000. A Shiny or Sparkling one (×1.85) is C$11,100, and a Midas one (×2.5) is C$15,000. The value is the Fisch Wiki's average sell price, so a heavier fish sells for more.
What does Mosasaurus sell for at different weights?
At 0.54 C$ per kg, Mosasaurus sells for 2,916 C$ at its lightest weight (5,400 kg) and 21,600 C$ at its heaviest (40,000 kg), with no mutation.
Where do you catch Mosasaurus in Fisch?
Mosasaurus is listed under Ancient Isle. Ancient Isle has 30 fish in total.
How rare is Mosasaurus?
Fisch Wiki lists Mosasaurus as Mythical and it gives 3,000 XP. It weighs 5,400–40,000 kg.