How to Catch All Fish in Challenger's Deep - Fisch Roblox Guide

The Mariana’s Veil update for Fisch on Roblox has introduced exciting new underwater areas to explore. One of these is Challenger’s Deep, a frigid abyss teeming with unique aquatic life. This guide will walk you through catching all the fish in the Challenger’s Deep bestiary, helping you complete this challenging collection.

Accessing Challenger’s Deep

Before you can start fishing in Challenger’s Deep, you’ll need to reach it:

Step 1: Head to Roslit Bay (coordinates: X=-1450, Y=135, Z=750).
Step 2: Use a submarine to enter the Mariana’s Veil area beneath Roslit Bay.
Step 3: Complete the quest at the first checkpoint to upgrade your submarine.
Step 4: Navigate deeper to reach Challenger’s Deep.

Challenger’s Deep Bestiary Overview

The Challenger’s Deep bestiary contains 10 unique fish species:

  • 7 Common to Rare fish
  • 1 Mythical fish
  • 1 Legendary fish
  • 1 Secret Leviathan (unlocks after catching)

To maximize your chances of completing the bestiary, you’ll need to use the right equipment and fish under specific conditions for each species.

Best Fishing Rods for Challenger’s Deep

Using a high-tier rod with good Luck and Resilience stats is crucial for success in this challenging area. Here are some recommended options:

Late-Game Rods

  • Rod of the Forgotten Fang
  • Heaven’s Rod
  • No-Life Rod

End-Game Rod

  • Seraphic Rod (for players at max level)

Mid-Game Rods

  • Rod of the Depths
  • Tempest Rod
  • Kraken Rod

If your chosen rod lacks in any particular stat, consider applying suitable enchantments to boost its performance.

Challenger’s Deep Fish Guide

Here’s a detailed breakdown of each fish in the Challenger’s Deep bestiary, including the best conditions and bait for catching them:

1. Frostscale Fangtooth

  • Bait: Bagel
  • Weather: Any
  • Time: Day
  • Season: Winter

2. Cryoskin

  • Bait: None required
  • Weather: Any
  • Time: Any
  • Season: Any

3. Chillshadow Chub

  • Bait: Insect
  • Weather: Clear
  • Time: Day
  • Season: Any

4. Subzero Stargazer

  • Bait: Flakes
  • Weather: Any
  • Time: Day
  • Season: Winter

5. Deep Freeze Devilfish

  • Bait: Squid
  • Weather: Rain
  • Time: Any
  • Season: Autumn

6. Iceberg Isopad

  • Bait: Minnow
  • Weather: Windy
  • Time: Night
  • Season: Winter

7. Cryo Coelacanth

  • Bait: Shrimp
  • Weather: Clear
  • Time: Any
  • Season: Autumn

8. Polar Prowler (Mythical)

  • Bait: Truffle Worm
  • Weather: Clear
  • Time: Night
  • Season: Winter

9. Chillfin Chimaera (Legendary)

  • Bait: Fish Head
  • Weather: Any
  • Time: Night
  • Season: Winter

10. Frozen Leviathan (Secret)

  • Bait: Truffle Worm
  • Weather: Clear
  • Time: Night
  • Season: Winter

Tips for Successful Fishing in Challenger’s Deep

  1. Weather Control: Use Weather Totems like Sundials, Tempest, or Windset to create the ideal conditions for your target fish.

  2. Patience is Key: Some of the rarer fish may take multiple attempts to catch. Don’t get discouraged if you don’t succeed right away.

  3. Bait Management: Stock up on a variety of baits before heading to Challenger’s Deep. You don’t want to run out of a specific bait when trying to catch a rare fish.

  4. Time Management: Plan your fishing sessions around the time and season requirements of your target fish. Consider using in-game items that can manipulate time if available.

  5. Upgrade Your Gear: Continuously work on improving your fishing rod and other equipment. Higher-tier gear significantly increases your chances of catching rare fish.

  6. Learn Fish Behavior: Pay attention to any unique behaviors or patterns of the fish in Challenger’s Deep. Some may only appear under very specific circumstances.

  7. Use Buffs: Take advantage of any available fishing buffs or boosts in the game to increase your luck or fishing skill temporarily.


Completing the Challenger’s Deep bestiary in Fisch is no small feat, but with the right approach and a bit of persistence, you’ll have that collection filled in no time. Remember, the journey is just as important as the destination – enjoy exploring this unique underwater world as you work towards your goal. Happy fishing!