1.0× this
Uncommon
Goldband ButterflyfishC$1,911StableSynced yesterday
Source: Fisch Wiki (CC BY-SA 4.0) · Value = in-game sell price, not player trade prices · Last checked Nov 11, 2026
LegendaryValue rank #247 of 677
C$1,900
= C$1,900 · Normal, average weight
Stable · Synced Nov 11, 2026 · How are values worked out?
Value by mutation
All mutations →Thunder Serpent is worth about the same as Goldband Butterflyfish (C$1,911) and a bit more than Countdown Perch (C$1,800).
Fish data
RarityLegendary
Where to catchAtlantis, Zeus's Rod Room
Average weight152 kg
Weight range100 – 208 kg
Sells per kgC$12.5
XP1,200
Recent changes
Full update log →No change since Nov 9, 2026Thunder Serpent is still C$1,900.
Fish with a similar value
Goldband ButterflyfishC$1,9111.0× this
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What can Thunder Serpent trade for?
1 × Thunder Serpent ≈ 2 × Wretched Guppy (C$1,880 vs C$1,900, 1.1% apart = Fair)Try it in the calculator
1 × Thunder Serpent ≈ 2 × Small Spine Chimera (C$1,840 vs C$1,900, 3.2% apart = Fair)Try it in the calculator
1 × Thunder Serpent ≈ 2 × Warty Frogfish (C$1,840 vs C$1,900, 3.2% apart = Fair)Try it in the calculator
Thunder Serpent sell price by weight and mutation
C$ at 12.5 C$/kg, using the game's rounding. Mutations are the highest appraisable and event ones; see all multipliers.
| Mutation | × | Lightest100 kg | Average152 kg | Heaviest208.1 kg |
|---|---|---|---|---|
| No mutation | 1 | 1,250 | 1,900 | 2,602 |
| Shiny | 1.85 | 2,313 | 3,515 | 4,814 |
| Sparkling | 1.85 | 2,313 | 3,515 | 4,814 |
| Nightmare | 8.8 | 11,000 | 16,720 | 22,898 |
| Necrotic | 7.4 | 9,250 | 14,060 | 19,255 |
| Shrouded | 7 | 8,750 | 13,300 | 18,214 |
| Wicked | 6.6 | 8,250 | 12,540 | 17,174 |
| Prismatic | 6.5 | 8,125 | 12,350 | 16,913 |
| NightmareFischFright 2025 | 8.8 | 11,000 | 16,720 | 22,898 |
| Jack's CurseFischFright 2025 | 8.5 | 10,625 | 16,150 | 22,117 |
| PopsicleFischfest | 8.16 | 10,200 | 15,504 | 21,233 |
Other fish at Atlantis
- Deep Emperor · Legendary · 250 C$/kg
- Voltfin Carp · Common · 180 C$/kg
- Oracle Minnow · Common · 71.33 C$/kg
- Mosaic Swimmer · Uncommon · 37.5 C$/kg
- Colossal Carp · Uncommon · 36 C$/kg
- Titan Tuna · Uncommon · 31.43 C$/kg
- Atlantean Guardian · Unusual · 31.25 C$/kg
- Echo Fisher · Uncommon · 29.32 C$/kg
- Tentacled Horror · Uncommon · 25 C$/kg
- Tentacle Eel · Unusual · 22.5 C$/kg
FAQ
How much is Thunder Serpent worth in Fisch?
One average Thunder Serpent is worth about C$1,900. A Shiny or Sparkling one (×1.85) is C$3,515, and a Midas one (×2.5) is C$4,750. The value is the Fisch Wiki's average sell price, so a heavier fish sells for more.
What does Thunder Serpent sell for at different weights?
At 12.5 C$ per kg, Thunder Serpent sells for 1,250 C$ at its lightest weight (100 kg) and 2,602 C$ at its heaviest (208.1 kg), with no mutation.
Where do you catch Thunder Serpent in Fisch?
Thunder Serpent is listed under Atlantis, Zeus's Rod Room. Atlantis has 49 fish in total.
How rare is Thunder Serpent?
Fisch Wiki lists Thunder Serpent as Legendary and it gives 1,200 XP. It weighs 100–208.1 kg.