All 10 Fishes in Challenger’s Deep (100% Bestiary) – Fisch Guide

The second layer or landmark added in Mariana’s Viel update is the Challenger’s Deep. You will visit this area right after visiting the Volcanic Vents and upgrading your Submarine to level 1. Here, you can catch a total of 10 fish, each with unique bait and timings, as mentioned below.

How to find the Challenger’s Deep in Fisch

As mentioned earlier, the Challenger’s Deep is the second landmark in the Mariana’s Viel Update, which can be reached after getting the Heat Upgrade. You can do this by providing the following materials to the podium in front of the Innkeeper in Volcanic Vents.

• Lava Crystal
• Inferno Hide
• Blisterback Blenny
• Infernal Iguanafish

Once you submit these items, you will receive the Glimmerfin Suit as a gift and an upgraded Submarine, which should now be orange in color. Descent and travel to the GPS Location (-865, -3280, -640) to find the Challenger’s Deep POI.

How to catch all the 10 Fish in Challenger’s Deep

Below, you can find all the ten fishes one can catch in Challenger’s Deep, along with their bait, timing, and season requirements.

Frostscale Fangtooth

Description	A blue and white colored fish with fangs
Type	Common
Suitable Bait	Bagel
Weather	–
Time	Day
Season	Winter

Cryoskin

Description	A skin of a fish?
Type	Common (I Suggest using Garbage Bait)
Suitable Bait	None
Weather	None
Time	None
Season	None

Chillshadow Chub

Description	A black and white fish with a lot of blue pointy objects at the edge of its body
Type	Uncommon
Suitable Bait	Insect
Weather	Clear
Time	Day
Season	–

Subzero Stargazer

Description	A white and blue fish that looks dead to me
Type	Uncommon
Suitable Bait	Flakes
Weather	–
Time	Day
Season	Winter

Deep Freeze Devilfish

Description	A turquoise-colored fish that looks like a goldfish
Type	Unusual
Suitable Bait	Squid
Weather	Rain
Time	–
Season	Autumn

Iceberg Isopod

Description	A very old icy and white colored Isopod that is still alive
Type	Rare
Suitable Bait	Minnow
Weather	Windy
Time	Night
Season	Winter

Cryo Coelacanth

Description	An Ancient black and blue fish that looks beautiful and ugly at the same time
Type	Rare
Suitable Bait	Shrimp
Weather	Clear
Time	–
Season	Autumn

Polar Prowler

Description	A dark, icy, and light blue prowler fish that looks mystical
Type	Legendary
Suitable Bait	Truffler Worm
Weather	Clear
Time	Night
Season	Winter

Chillfin Chimaera

Description	A Chimaera that belongs in the Encylopedia
Type	Mythical
Suitable Bait	Fish Head
Weather	–
Time	Night
Season	Winter

Frozen Leviathan

Description	A white and dark blue shaped Leviathan that is a secret fish
Type	Secret
Suitable Bait	Worm
Weather	Clear
Time	Night
Season	Winter

For more on Fisch, Check out How to get the Submarine in Fisch – Drill, Obsidian Rocks and More or All 9 Fishes in Ashfall (100% Bestiary) – Fisch