1.00× this
Extinct
Obsidian KoiC$1,732StableSynced yesterday
Source: Fisch Wiki (CC BY-SA 4.0) · Value = in-game sell price, not player trade prices · Last checked Nov 11, 2026
LimitedValue rank #253 of 677
C$1,735
= C$1,735 · Normal, average weight
Stable · Synced Nov 11, 2026 · How are values worked out?
Value by mutation
All mutations →Eldritch Spineback is worth about the same as Adumbral Shark (C$1,783) and about the same as Obsidian Koi (C$1,732).
Fish data
RarityLimited
Where to catchCults Curse
Average weight120 kg
Weight range60 – 420 kg
Sells per kgC$14.458
XP900
Recent changes
Full update log →No change since Nov 9, 2026Eldritch Spineback is still C$1,735.
Fish with a similar value
Obsidian KoiC$1,7320.97× this
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Adumbral SharkC$1,783StableSynced yesterday
0.97× this
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What can Eldritch Spineback trade for?
1 × Eldritch Spineback ≈ 2 × Ancient Serpent Skull (C$1,800 vs C$1,735, 3.7% apart = Fair)Try it in the calculator
1 × Eldritch Spineback ≈ 2 × Frigid Antlers (C$1,800 vs C$1,735, 3.7% apart = Fair)Try it in the calculator
1 × Eldritch Spineback ≈ 2 × Eldritch Horror (C$1,770 vs C$1,735, 2.0% apart = Fair)Try it in the calculator
Eldritch Spineback sell price by weight and mutation
C$ at 13.89 C$/kg, using the game's rounding. Mutations are the highest appraisable and event ones; see all multipliers.
| Mutation | × | Lightest60 kg | Average120 kg | Heaviest420 kg |
|---|---|---|---|---|
| No mutation | 1 | 834 | 1,667 | 5,834 |
| Shiny | 1.85 | 1,543 | 3,084 | 10,793 |
| Sparkling | 1.85 | 1,543 | 3,084 | 10,793 |
| Nightmare | 8.8 | 7,340 | 14,670 | 51,340 |
| Necrotic | 7.4 | 6,172 | 12,336 | 43,172 |
| Shrouded | 7 | 5,838 | 11,669 | 40,838 |
| Wicked | 6.6 | 5,505 | 11,003 | 38,505 |
| Prismatic | 6.5 | 5,421 | 10,836 | 37,921 |
| NightmareFischFright 2025 | 8.8 | 7,340 | 14,670 | 51,340 |
| Jack's CurseFischFright 2025 | 8.5 | 7,089 | 14,170 | 49,589 |
| PopsicleFischfest | 8.16 | 6,806 | 13,603 | 47,606 |
Other fish at Cults Curse
- Veilborn Parasite · Limited · 300 C$/kg
- Bloodscript Eel · Limited · 150 C$/kg
- Wretched Guppy · Limited · 70 C$/kg
- Hollow Gazer · Limited · 30 C$/kg
- Profane Ray · Limited · 16.05 C$/kg
- The Whispering One · Limited · 10.7 C$/kg
- Abyssal Maw · Limited · 1.7 C$/kg
FAQ
How much is Eldritch Spineback worth in Fisch?
One average Eldritch Spineback is worth about C$1,735. A Shiny or Sparkling one (×1.85) is C$3,210, and a Midas one (×2.5) is C$4,338. The value is the Fisch Wiki's average sell price, so a heavier fish sells for more.
What does Eldritch Spineback sell for at different weights?
At 13.89 C$ per kg, Eldritch Spineback sells for 834 C$ at its lightest weight (60 kg) and 5,834 C$ at its heaviest (420 kg), with no mutation.
Where do you catch Eldritch Spineback in Fisch?
Eldritch Spineback is listed under Cults Curse. Cults Curse has 8 fish in total.
How rare is Eldritch Spineback?
Fisch Wiki lists Eldritch Spineback as Limited and it gives 900 XP. It weighs 60–420 kg.