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Fisch Ancient Isle Bestiary Guide

Author : Nora Update : Mar 22,2025

Dive into the prehistoric depths of Fisch's Ancient Isle, a location teeming with unique and challenging catches unlike any other in the game. This Roblox fishing simulator’s hidden gem boasts nearly 20 ancient fish species, some easily caught, others requiring serious dedication. But before you cast your line, you'll need to navigate your way there.

Reaching Ancient Isle in Fisch

Ancient Isle, like other islands in Fisch, is easily spotted once you venture out to sea. However, its location requires a bit of a journey. Don't rush! The waters surrounding the island are a hazardous zone, filled with gunpowder barrels, spikes, and perilous whirlpools. Gunpowder barrels and spikes will damage your ship, while whirlpools instantly destroy it. Proceed cautiously, carefully avoiding these obstacles.

Ancient Isle Bestiary: A Prehistoric Catch

Ancient Isle is a treasure trove of ancient fish, many proving difficult to reel in. Beyond the fish, you'll also find crafting materials and Fragments crucial for unlocking the Ancient Archives. Complete the Ancient Isle bestiary for 100% completion in Fisch!

Ancient Isle Fish

Fish	Rarity	Season	Weather	Time	Bait
Piranha	Common	Winter/Spring	Any	Any	Squid
Cladoselache	Common	Any	Any	Day	Worm
Anomalocaris	Uncommon	Any	Any	Night	Minnow
Onychodus	Uncommon	Any	Any	Night	Any
Starfish	Uncommon	Summer	Any	Any	Any
Hyneria	Unusual	Spring	Foggy	Any	Any
Acanthodii	Unusual	Winter	Any	Any	Any
Xiphactinus	Unusual	Winter/Autumn	Any	Night	Fish Head
Cobia	Rare	Autumn/Summer	Any	Any	Insect
Hallucigenia	Rare	Autumn	Rain	Day	Flakes
Ginsu Shark	Legendary	Summer	Any	Night	Fish Head
Leedsichthys	Legendary	Any	Foggy	Day	Squid
Floppy	Legendary	Autumn	Any	Any	Super Flakes
Dunkleosteus	Legendary	Any	Any	Day	Minnow
Mosasaurus	Mythical	Any	Foggy	Night	Truffle Worm
Helicoprion	Mythical	Any	Clear	Any	Squid
Ancient Megalodon	Exotic	Any	Any	Any	Shark Head
Megalodon	Exotic	Any	Any	Any	Shark Head
Phantom Megalodon	Limited	Any	Any	Any	Shark Head

Ancient Isle Fragments

Fragment	How to Obtain
Ancient Fragment	Found anywhere in Ancient Isle waters.
Solar Fragment	Found atop Ancient Isle during Eclipse events.
Deep Sea Fragment	Found under the Ancient Isle waterfall.
Earth Fragment	Found in the Ancient Isle cave.

Ancient Isle Crafting Items

Item	Rarity	How to Obtain
Meg's Spine	Mythical	Found anywhere in Ancient Isle waters.
Meg's Fang	Mythical	Found anywhere in Ancient Isle waters.
Moonstone Gemstone		Found at the Meteor crash site.
Lapis Lazuli Gemstone		Found at the Meteor crash site.
Amethyst Gemstone		Found at the Meteor crash site.
Ruby Gemstone		Found at the Meteor crash site.
Opal Gemstone		Found at the Meteor crash site.