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Eggs & Pets/Mosasaurus
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Mosasaurus egg appearance
Mosasaurus Egg
Mosasaurus pet appearance
Mosasaurus
World index routeWorld index snapshot
Eternal Prehistoric

Mosasaurus

Mosasaurus is listed as Eternal in the Prehistoric record, with a 0.311113% relative configuration share in the dated catalog snapshot. That share is a comparison field, not a confirmed per-run probability.

What this page can confirm

The catalog confirms the collection membership and displayed egg name. It does not prove that the same entry is active in every server, so the live prompt remains the final check.

World / collection
Prehistoric
World collection
Prehistoric · 8 entries
Relative pool reference
0.311113% relative configuration share
Aliases
None recorded
Catalog checked
2026-09-09

Artwork and collection membership are recorded for Mosasaurus. Hatch chance and income are not recorded yet, so this page does not state them. The 0.311113% figure above is a configuration reference, not a verified per-run probability, and live availability is not asserted here.

How to check it

Check Mosasaurus in the Prehistoric collection

1

Open Prehistoric and confirm the current server shows the Prehistoric collection.

2

Match the live egg label with Mosasaurus Egg before picking it up.

3

Plan the return route with your current Speed, carry the egg to base, and follow the timer shown by the live hatch panel.

Use the live Mosasaurus Egg prompt to check Mosasaurus, then follow the collection and return instructions shown by the current server.

Same collection

Entries in Prehistoric.

8 records

The Prehistoric world index lists 8 separate named eggs. Mosasaurus is the Mosasaurus Egg entry; other indexed records include Dodo (Rare), Pterodactyl (Legendary), Ankylosaurus (Mythic). These entries are separate records, not one shared random egg pool.

Dodo EggDodoRarePterodactyl EggPterodactylLegendaryAnkylosaurus EggAnkylosaurusMythicTriceratops EggTriceratopsCosmicBronto EggBrontoCosmicTralaledon EggTralaledonSecretTRex EggTRexSecretMosasaurus EggMosasaurusEternal
Common questions

What players ask about Mosasaurus

How rare is Mosasaurus in Steal An Egg?

Mosasaurus is classified as Eternal and holds a 0.311113% relative configuration share in the dated catalog snapshot. A per-hatch percentage is not recorded yet, so this page does not state one.

How much money does Mosasaurus make?

Income for Mosasaurus is not recorded yet, so this page does not state one — check the live pet panel for the current rate.

Where do you get Mosasaurus?

Mosasaurus is listed under Mosasaurus Egg in Prehistoric. Confirm the current panel before treating the catalog membership as an available route.

Next field notes

Use the notes below to check Mosasaurus's world, route, and live timing.

Map & worldsCompare world collections and gates.Speed guideBuild a safer return margin.EventsCheck dated event observations.Spawn timesSynchronize with the live countdown.
Data notes & further reading

Catalog checked 2026-09-09; the community catalog snapshot was updated 2026-09-04. Collection membership and configuration do not prove current server availability.