Mosasaurus
180M/sEternal#46 highest incomePrehistoric
Mosasaurus earns 180M/s base income in Steal An Egg, the #46 highest-earning of the 177 pets tracked. It is an Eternal pet hatched from the Mosasaurus Egg in the Prehistoric biome. Hatching it also pays out +600k Speed, $18b. The egg takes 6h to hatch. Income here is the base rate as of 19 October 2026; a color mutation and a bigger size roll multiply it, see the table below or the income calculator. Steal An Egg has no trade window, pets can only be gifted one way, so anyone offering to “trade” for your Mosasaurus is asking you to give it away.
Mosasaurus income with every mutation
Base income times the color mutation multiplier, before any size bonus:
| Mutation | Multiplier | Mosasaurus income |
|---|---|---|
| Rainbow | ×3.5 | 630M/s |
| Parasite | ×3 | 540M/s |
| Fractured | ×2.75 | 495M/s |
| Scrambled | ×2.75 | 495M/s |
| Golden | ×2.5 | 450M/s |
| Spirit Bloom | ×2.5 | 450M/s |
| Bloom | ×1.25 | 225M/s |
| Silver | ×1.2 | 216M/s |
Pets that earn about the same as Mosasaurus
Within 15% of Mosasaurus's base income:
| Pet | Income | Rarity | Biome |
|---|---|---|---|
 Three Headed Chicken | 165M/s | Cosmic | Experimental Egg |
 Mecha Froggo | 155M/s | Monster | Event |