ABZÛ
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Hidden Pools
By beardgoggles
There are 20 hidden pools in ABZÛ, each of which releases a new animal into the environment. Releasing all 20 animals will unlock the “Ecosystem” achievement.

There are four pools per chapter, excluding chapters five and seven.

All hidden pools shown in the guide have already been activated to make it easier to pick them out.
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Chapter 1
Three pools are located in the green kelp forest. The first two can be seen from the rocky archway. The fourth pool is located at the bottom of the trench which is reached after you restore the first coral structure.


Trumpetfish
Swim to the left of the rock structure, following the sandy path on the seabed.


Hawksbill Sea Turtle
Swim to the right of the rock structure, following the sandy path on the seabed. This will also lead to one of the submersible drones.


Leopard Shark
As you approach the sealed exit, the third pool can be located down towards your left.


Leatherback Sea Turtle
When you reach the trench, swim towards the base of the rock pillar with the hole. The pool is just to the right of its base.

Chapter 2
Three pools are located in the reef, with the fourth pool found at the bottom of the trench after you have restored the second coral spire.


Grey Reefshark
Swim to the left of the entrance to locate the first pool.


Pufferfish
Swim to the right of the entrance to locate the second pool.


Vaquita
Swim towards the open-ended tunnel, where you find the broken drone. The third pool is located on top.


Thresher Shark
Once you have reached the trench, swim towards the base of the rocky pillar below the ball of circling fish. Just to the right of its base is the hidden pool.

Chapter 3
Four pools are located in the temple.


Scalloped Hammerhead
From the entrance to the temple area, swim to the left. The first pool is located above the cave with the chain wheel.


Eagle Ray
From the entrance to the temple area, swim forwards above the delapidated bridge. The second pool can be found on the seabed below the final section of the bridge.



Zebra Shark
The third pool can be located on a shallow shelf to the right of the gate.


Lionfish
Swim through the gate. The fourth pool is located on the seabed, just after the first statue.
Chapter 4
Three pools are located in the deepwater minefield, with the fourth pool located above the opening to the portal area.


Goblin Shark
Swim directly forwards to locate the first pool.


Tompoteris
Swim to the left from the first pool, heading under an arch. Follow the whale skeletons around to the right to locate the second pool.



Anglerfish
The third pool can be found by the right-most generator used to open the exit to the next area.


Opah
Swim to the bottom of the trench to locate the entrance to the portal area. Swim directly upwards to locate a small ledge with the fouth pool.

Chapter 5
There are no hidden pools in this chapter.
Chapter 6
The cavern is divided into sections, with two main areas. There are two pools in each of these sections.


Anomalocaris
Once the gate to the first wheel chain has been opened, and the chain activated, swim through the other side to find the first pool on the sea bed below.



Helicoprion
Swim towards the second wheel chain. The second pool can be found to the right, by a Tyrannosaur skull.


Dakosaurus
Once you have dived into the second main section, the third pool can be located just behind you on the left.



Dunkleosteus
Swim across to the right of the area, where you activate one of the two blue streams, and the fourth pool can be found just to its right.
36 Comments
lawrence 29 Jun, 2024 @ 9:45pm 
In case anyone else is curious, progress is saved across playthroughs. That includes selecting chapters and starting a new game.
Mz Cookies 5 Dec, 2023 @ 10:33pm 
Great guide, thank you
Anomalocaris canadensis! :] 2 Jul, 2023 @ 3:49pm 
Noice :GDEasy:
Kordyus 30 Apr, 2023 @ 2:03am 
Great work :steamthumbsup:
Horiizunn 27 Apr, 2023 @ 8:26am 
W guide ty
Laykan 27 Oct, 2022 @ 4:03am 
:heartg:
Ayyynchen 24 Aug, 2022 @ 7:08am 
Missed one pool. Thanks for the guide. Achievement now complete :Janitor_Heart:
Missnezor 30 May, 2021 @ 3:35am 
Thank you so much :aerlove:
Darkblue 6 Jul, 2019 @ 10:11pm 
Thanks for the comprehensive guide!
Rufus 19 Mar, 2018 @ 2:09pm 
Great guide thanks. In level two in the area where there are three pools, when I was celebrating getting the last achievement I started doing backward loop the loops (hold right trigger, pull left stick bacwards and hold both. After about thirty seconds all of the Dolphins in the area came to join me in my celebration by all copying mel doing backward loops.