Delta Fisch Script

Fisch is the third-largest Roblox game after Adopt Me and Blox Fruits, and its fishing-loop automation story is what makes Delta's auto-cast script one of the most-searched terms in the executor niche. The Pirates & Trading update (released July 2026) added a boat / crew / merchant system on top of the existing cast-catch-sell loop, and the latest Delta Fisch script handles every part of it.

What the Script Does

Once Delta attaches to Fisch, the script opens a floating GUI with the modules below. Each can be toggled independently.

• Auto-Cast — uses your currently equipped rod and casts at the optimal distance and angle for the current body of water.
• Auto-Catch — the moment a fish bites, the script times the click and reels in. Includes a failsafe for the rare "snap" event.
• Auto-Sell — walks to the nearest merchant and sells your inventory at the highest-paying slot.
• Rare-Catch ESP — every spawned rare fish (Mythical, Legendary, Event-exclusive) is highlighted on screen with a label and a tracker. No more missing a +1 rarity roll.
• Rod Upgrades — auto-equips the highest-grade rod in your inventory, then auto-applies the relevant enchantments.
• Boat Mode — drives any of the new boats from the Pirates update between fishing hotspots, fuel-aware so it doesn't strand you mid-ocean.
• Crew Manager — accepts crew invites automatically, distributes roles based on player level, and shares treasure payouts at the end of a run.
• Merchant Loop — automates the new trading route: buys low at one island, sells high at the next, hopping dynamically based on in-game prices.

Verified Loadstrings

Both of the loadstrings below are reviewed and patched by the Delta team within 24 hours of any Fisch update.

-- Core Fisch script (cast / catch / sell / ESP / rod upgrades)
loadstring(game:HttpGet("https://raw.githubusercontent.com/ProjektEta/Femscr.dll/refs/heads/main/Loader.lua"))()

-- Core + Pirates & Trading additions (boat mode, crew, merchant route)
loadstring(game:HttpGet("https://raw.githubusercontent.com/ProjektEta/Femscr-Pirates/refs/heads/main/Loader.lua"))()

Open the Delta editor tab, paste the snippet, tap Execute. The GUI appears within 3 seconds.

How to Run It in Delta

1. Download Delta from deltaxecutor.download/download.
2. Open Fisch from Roblox, then join any server.
3. Wait until you are spawned (Fisch has a long loading screen the first time you join).
4. Open the floating Delta icon → editor tab → paste the loadstring → tap Execute.
5. Toggle the modules you want. Leave Auto-Cast on, Auto-Sell on, ESP on, and you can AFK for several hours while your inventory fills.

Pirates & Trading Update — What Delta Adds

The July 2026 Pirates & Trading update added three new loops to Fisch, and the Delta script wraps each of them in its own module.

1. Boat fishing. Boats let you reach offshore hotspots that have a 4× rare-catch chance. The Delta Boat Mode drives the boat between zones automatically, with a fuel-aware route so the script never strands you in deep water. It also unhooks and re-hooks the line when you cross a zone boundary, so you keep catching continuously.

2. Crew play. Crew play rewards players for running synchronized loops. The Crew Manager accepts invites, balances the team by level (one Captain, two Officers, two Deckhands), and at the end of every session routes the loot automatically to the player with the lowest XP. This is the same routing that the top Fisch crews use manually, and the script makes it one-click.

3. Trading route. Each island has its own merchant with a buy/sell spread. The Merchant Loop tracks prices in real time, buys low on one island, teleports to the next via the boat, and sells. On a well-tuned route, this generates around 60 000 Gold/hour without ever leaving the spawn region. This is the only part of the script that does require a private server — it is not advisable to run the merchant loop in public lobbies.

Performance Tips for Mobile

Fisch is one of the heavier Roblox games on Android because of the water shaders. The combined Delta + Fisch workload can spike above 30% CPU on older phones. Three settings help:

• Open the Delta settings and set Background FPS to 30. The water shaders drop frame rate on Auto-Cast anyway; capping saves battery.
• Disable Rare-Catch ESP on phones with less than 4 GB RAM. The ESP overlay re-renders every frame and is the single biggest battery drain in the script.
• Use the Crew Manager with Auto-Cast on, but leave Auto-Sell off. Let the loop run for 30 minutes, then sell manually. This avoids the rare inventory-cap flag some Fisch servers enforce.

Account Notes

Fisch runs one of the more forgiving anti-cheats in the Roblox catalog, but you should still:

• Use an alt account while scripting.
• Disable the Merchant Loop in public servers. Buy-flipping at scale raises the host's auto-kick flag.
• Run Delta's anti-detection engine rather than the script's setthreadidentity bypass — Delta's path is patched weekly, the script's static one may not be.

Mythical Fish — How the Rare-Catch Tracker Works

Fisch's rarest fish — the Mythical and Legendary tier drops — have spawn rates under 0.05% per cast. Catching them requires both patience and attention: the cast that produces a Mythical usually pulses with a unique animation right before the catch, and the time you spend staring at the screen waiting for it is real screen time you cannot get back.

The Delta Rare-Catch ESP removes the staring. The detector watches the server-side spawn event and renders a glowing marker on any Mythical or Legendary fish the moment it bites — usually a second or two before the catch animation starts. The marker comes with a label (Mythical Trout, Legendary Sunfish, Event-exclusive Whale, etc.), a tracker that follows the fish, and an audio chime you can toggle if you want a discrete alert.

Server-Hopping Strategy

Different Fisch servers have different fish populations — the colder-water zones are mostly stocked on US East Coast servers, while the tropical zones lean heavier on US West and Asia-Pacific. The Delta script's server-hopper can rotate through up to six region tags before settling into one — useful for players who want to fish a specific water type.

The hopper respects Delta's anti-detection engine by spacing the hops and never teleporting inside an active catch. That means the auto-cast cycle stays uninterrupted: the script casts right up to the hop moment, catches the fish mid-flight on the new server, and continues without dropping a single second of fish-time.

Fisch Economy & the Merchant Loop

The July 2026 Pirates update introduced buy-flipping as a real currency mechanic. Each island merchant has a different buy and sell spread for the same fish, and the routes between islands (built around the new boats) create predictable arbitrage opportunities. The Delta Merchant Loop script watches the in-game merchant prices in real time and only trades when the spread is wide enough to cover the boat-fuel cost — so you make money on every cycle, instead of bleeding gold to the wrong island.

Average revenue from a well-tuned merchant loop in our testing: 58,000–72,000 Gold per hour, depending on which fish the server is short on. Run the loop on a private server with no other players, and the spread stays wide longer, so solo runners tend to net more than the public-server crowd.

⬇ Download Delta & Run the Fisch Script