Toxic Rat Mythic
Toxic Rat earns $180K/s at base. With Rainbow (×3.5) it earns $630K/s, before size.
It ranks #126 of 191 pets by base income and #11 of 23 Mythic pets.
Data checked: Oct 15, 2026 · Base weight: 8 kg · Egg: Biohazard Egg
Income by mutation
| Mutation | Multiplier | Income | How it appears |
|---|---|---|---|
| None | ×1 | $180K/s | Normal hatch |
| Rainbow | ×3.5 | $630K/s | Hatch roll, 1% chance |
| Parasite | ×3 | $540K/s | Event or item only |
| Fractured | ×2.75 | $495K/s | Event or item only |
| Scrambled | ×2.75 | $495K/s | Event or item only |
| Golden | ×2.5 | $450K/s | Hatch roll, 4% chance |
| Spirit Bloom | ×2.5 | $450K/s | Event or item only |
| Bloom | ×1.25 | $225K/s | Event or item only |
| Silver | ×1.2 | $216K/s | Hatch roll, 6% chance |
Income by size
Toxic Rat's base weight is 8 kg (community wiki). Heavier pets earn more, with diminishing returns past 125× the base weight; lighter-than-base pets earn less. The table uses the curve from the community wiki calculator.
| Weight | vs base | Size multiplier | No mutation | Rainbow | Golden | Silver |
|---|---|---|---|---|---|---|
| 4 kg | 0.5× | ×0.31 | $56.7K/s | $198K/s | $142K/s | $68K/s |
| 8 kg | 1× | ×1 | $180K/s | $630K/s | $450K/s | $216K/s |
| 16 kg | 2× | ×1.53 | $276K/s | $966K/s | $690K/s | $331K/s |
| 40 kg | 5× | ×2.7 | $486K/s | $1.7M/s | $1.21M/s | $583K/s |
| 80 kg | 10× | ×4.14 | $745K/s | $2.61M/s | $1.86M/s | $894K/s |
| 400 kg | 50× | ×11.16 | $2.01M/s | $7.03M/s | $5.02M/s | $2.41M/s |
| 1,000 kg | 125× | ×19.64 | $3.53M/s | $12.4M/s | $8.84M/s | $4.24M/s |
| 4,000 kg | 500× | ×34.19 | $6.15M/s | $21.5M/s | $15.4M/s | $7.39M/s |
Colour variants and mutations add together rather than multiply: Rainbow (×3.5) plus Parasite (×3) is ×5.5, not ×10.5.
Open Toxic Rat in the calculator to try any mutation, size and number of pets.
Closest pets by base income
| Pet | Rarity | Base income | vs Toxic Rat |
|---|---|---|---|
| Leviathan | Cosmic | $220K/s | 1.22× |
| Riftwing | Mythic | $220K/s | 1.22× |
| Cosmic Gorilla | Mythic | $180K/s | 1.00× |
| Toxic Rat | Mythic | $180K/s | – |
| Crustacia | Legendary | $130K/s | 0.72× |
| Ankylosaurus | Mythic | $120K/s | 0.67× |
| Eye Bat #021 | Legendary | $115K/s | 0.64× |
Source: Module:IncomeCalculator/Data (rev 2021, Sep 30, 2026), Mutations (rev 1822, Sep 20, 2026), Pets and Eggs (rev 2161, Oct 14, 2026), MediaWiki:Common.js (rev 1790, Sep 20, 2026) · Steal An Egg community wiki, CC BY-SA 3.0. Numbers restructured into tables.