Pokémon GO’s Fossil Research Day returns on August 2, 2025, featuring two rare Generation VI Fossil Pokémon: Tyrunt and Amaura. For three hours only, from 2:00 p.m. to 5:00 p.m. local time, Trainers can complete exclusive Field Research tasks and encounter  Tyrunt and Amaura, both featuring boosted Shiny rates!

This event also includes boosted wild spawns of classic Fossil Pokémon, paid Timed Research, and valuable in-game rewards. Below is our complete event guide, including 100% IV CPs, research tasks, shiny comparison, and a few tips and tricks.

Event Details

Featured Pokémon: Tyrunt and Amaura

Research Day events focus on certain Pokémon encounters being rewarded for completing exclusive Field Research tasks. Players will be able to catch multiple Tyrunt and Amaura, enjoying increased chances of finding their stunning shinies. 

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Is Tyrunt worth farming?

Tyrunt

A 100% Tyrunt from Field Research will have 700 CP, guaranteed to be 15/15/15 IV. Tyrunt and Tyrantrum are not PvP-relevant, but Tyrantrum has potential as a Rock-type attacker in Raids, especially in its Shadow form. Tyrunt is a Rock and Dragon type Pokémon.

In PvE, Shadow Tyrantrum is a solid pick. With Rock Throw and Meteor Beam moveset, it performs well against Flying-types and Fire-types. It’s a high DPS attacker, and it can go toe to toe with stronger Rock-types like Rampardos or Rhyperior. Regular Tyrantrum is strong, but Shadow is what you really want.

In PvP, Tyrantrum is fragile and limited by a slow moveset, but in limited formats or with the right fast move, it can sometimes become a surprise threa, but very rarely and Aurorus is usually much better at PvP.

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Is Amaura worth farming?

Amaura

A 100% IV Amaura from Field Research will have 584 CP, with perfect 15/15/15 IVs. Amaura itself has limited use, and its evolution Aurorus is not much better. It does bring a rather strong type coverage as a Rock / Ice-type, but only in Trainer Battles, especially Great League and Ultra League.

In Trainer Battles, Aurorus can work well opponents with moves like Powder Snow, Weather Ball (Ice) and Meteor Beam, giving it coverage against Flying, Dragon, and Fire-types. However, it’s double weakness to Fighting and Steel attacks makes it rather easily countered by meta relevant Pokémon. Still, it can be a great spammer and create strong shield pressure.

From a PvE perspective, Aurorus is not great, but it’s a viable budget Gym defender.

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Shiny Tyrunt and Amaura

Here is a visual guide to recognising shiny Tyrunt and shiny Amaura in Pokémon GO:

Wild Encounters

The following Pokémon will appear more frequently in the wild:

Rare Spawns

Some Trainers may even encounter the following:

Shiny Tyrunt and Amaura Research Tasks

Completing event-themed Field Research tasks will lead to multiple encounters with Tyrunt and Amaura. Shiny Tyrunt and Amaura are available in Field Research rewards. Remember to stack these rewards and complete the catch encounters after the event!

Timed Research

Completion rewards

Paid Timed Research

For US$1.99 (or the equivalent pricing tier in your local currency), you’ll be able to access event-exclusive Timed Research. Through this Timed Research, you’ll be able to complete more Field Research tasks and encounter more of the featured Pokémon.

Tyrunt Premium Timed Research

Completion rewards

Amaura Premium Timed Research

Completion rewards

Fossil Research Day Ultra Ticket Box

The Fossil Research Day Ultra Ticket Box will be available for US$1.99 (or the equivalent pricing tier in your local currency). It includes an event ticket plus three Max Revives at no additional cost.

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