The Seaside Rarest Fish range from Exclusive to Legendary, all of which can only be found in certain locations or when specific players are in your current server!

You can fish manually or you can go AFK if you have other tasks to do in Seaside on Roblox! Improve your rod by utilising the different Seaside Lines that you can unlock and purchase.

Seaside Rarest Fish

Which fish are the rarest in Seaside?

Exclusive Secret Fish

These fish largely rely on certain players being in the same server as you.

  • Lanrefish
    • You can only catch this fish if the player, Lanrellian, is in your server. They are one of the Builders for the game!
  • Versa Fish
    • You can only catch this fish if Vesra_Main is in the server. They are an artist for Seaside!
  • Proffish
    • Obtainable if one of the dev team members, called G6_Prof, is playing in your current server
  • Shadowfin
    • If Jay, one of the game’s developers, is on your server, you can get this fish
  • Creatorfin
    • Only available if a content creator for Seaside is on your server
  • Verifiedfish
    • Available when a verified player is on the server
  • Cosmic Tidecaller
    • The lead programmer, 7F4X, must be on your server

Primordial Fish

There’s only one so far!

  • Monolish
    • You can catch this fish on the Magic Island

Divine Fish

The divine.

  • Thronefish
    • Obtainable in the Cathedral
  • Sisyphish
    • Obtainable on Crescent Isle

Mythic Fish

Every Mythic fish in Seaside.

  • Axlotol
    • Obtainable when fishing in the ocean or the Sanctum (not sure where the Sanctum is? Use our Seaside Sanctuary Location guide to help!)
  • Great White Shark
    • Obtainable when fishing in the ocean
  • Ghost Whale
    • Obtainable within the Ruins
  • Fusionfin
    • Obtainable in the Bunker
  • Gnomefish
    • Obtainable on Magic Island

Legendary Fish

All Legendary rarity fish!

  • Bob Marlin
    • Obtainable in any location within the ocean waters
  • Key
    • You need to use a Metal Detector to find this item, which you can then use to open Treasure Chests
      • The Metal Detector costs 9,999 Fishbux from the Gear Shop
  • Sword Fish
    • Obtainable when fishing in the ocean and Sanctum
  • Fish Sign
    • Obtainable when fishing in the ocean and Sanctum
  • Bluefin Tune
    • Obtainable when fishing in the ocean and Sanctum
  • Torpedo Mk.1
    • Obtainable in the Bunker
  • Babelfish
    • Obtainable when fishing in the Cathedral
  • Seaglass Flounder
    • Obtainable when fishing in the Ruins
  • Timmy
    • Obtainable when fishing in the Ruins
  • Treesh
    • The Treesh’s leaves change depending on the current season in-game
    • Obtainable when fishing at Crescent Isle

Adele Wilson

Editor

    With experience working for GameRant and in SEO copywriting, Adele loves to combine her adoration for gaming with her writing craft. She'll talk your ear off about anything fantasy, and if she's not typing away at her desk, she's probably playing an RPG somewhere, watching anime, or reading a book.