Steal Fish Eggs September 13 Update
More fish, a new biome, and mystery features at 2:00 PM UTC on Sunday 13 September 2026.
Kaiju Outbreak Official scheduled the next Steal Fish Eggs content drop for Sunday, 13 September 2026, at 2:00 PM UTC. Coverage summarizing the developer notes lists three buckets: more fish, a new biome, and new features that have not been named. This page is the countdown and the prep list. After the hour, it becomes the patch recap.
Time zones
| Zone | Local time |
|---|---|
| UTC | Sunday 13 Sep, 2:00 PM |
| Pacific (PT) | 7:00 AM |
| Mountain (MT) | 8:00 AM |
| Central (CT) | 9:00 AM |
| Eastern (ET) | 10:00 AM |
| Brazil (BRT) | 11:00 AM |
| UK (BST) | 3:00 PM |
| Central Europe (CEST) | 4:00 PM |
| India (IST) | 7:30 PM |
| Philippines (PHT) | 10:00 PM |
| Japan / Korea | 11:00 PM |
| Australia (AEST) | Monday 14 Sep, 12:00 AM |
Roblox patches can slip by minutes. Be in a server before the hour if you want first looks at the new water. VIP servers are not available, so expect crowded shards at drop.
What is confirmed
More fish. New hatches, new tags, new entries for the fish index and fish tier list. Farm the new commons before you tunnel the new 0.01% meme.
New biome. A new band of water with its own nests and almost certainly its own boss. Bring more swim Speed than you use today. Biomes will take the name once it exists. Until then, treat it as Ring 4: do not enter on Grey Trail.
New features. Unspecified. Writers mentioned a rebirth-style system as a guess. It is not confirmed. Do not sit on $50 million refusing to buy Red Trail because a rumor said resets are coming. If a rebirth ships, the updates hub will say so with the actual bonus.
What is not confirmed
- A codes launch. Possible, not promised. Recheck codes after 2:00 PM UTC.
- New Trails. The seven-row shop may stay. Recheck Trail Shop.
- Named bosses beyond the current jellyfish and shark art.
- Private servers.
Prep before the hour
- Own Purple Trail at minimum, Gold if you can (trails tier list).
- Upgrade the endless pool so the multiplier has a base.
- Clear tank slots so new eggs have somewhere to hatch (how to hatch).
- Know your lock habit (how to protect your base). Patch-hour shards are raid hours.
- Scout empty-handed first (how to steal eggs).
If you are brand new, play Getting Started now, not during the patch stampede. A new biome does not make Grey Trail optional.
After the patch
Come back here. We will replace the prep list with: biome name, boss, new fish, shop changes, and whether “new features” was rebirth, events, or something else. Then go play. Reading a wiki during a 6-player scramble is how you lose the first tagged egg in the new water.
Related live pages: what is new for the pre-patch kit, updates hub for the log.
First-hour plan after 2:00 PM UTC
Do not sprint to the new water on Grey Trail because the name is new. Walk the safe zone, confirm your Trail is still equipped after the hitch, then swim out empty-handed until you see the new nest tags. If the boss is faster than your current far-water shark, turn around and buy Speed. A death in unnamed water costs more than a boring Gold-Trail steal you already know.
If new fish hatch into the tank, apply the same cut line as best fish: keep income, drop screenshots. If a codes box appears, redeem once using how to redeem and dump the cash into pool or Purple/Gold — not into a panic Universal. If shards are unplayable, hop. You cannot buy a VIP server.
Bring this page, biomes, and the fish index on a second monitor. Close everything else. The first tagged egg in the new biome belongs to whoever is already swimming.
Frequently Asked Questions
Quick answers to the most common Steal Fish Eggs questions.
When does the Steal Fish Eggs update go live?
Sunday 13 September 2026 at 2:00 PM UTC (10:00 AM Eastern, 3:00 PM UK).
What is in the update?
More fish, a new biome, and unnamed new features. Rebirth is a rumor, not a confirmed bullet.
What Trail should I have ready?
Purple at least, Gold if you can afford it. Grey will not be enough for new far water.
Will codes go live with the patch?
Unknown. Check the codes hub after the hour.