1 Drain Water Per Click Mutations (August 2026)

Mutations guide updated: August 24, 2026

All four fish mutations in 1 drain water per click — Gold, Diamond, Venom and Hole — how to get them and what they are worth, verified as of August 24, 2026. One mutation per fish, no stacking, so this 1 drain water per click mutations guide focuses on spotting and harvesting the highest one that spawns.

Every 1 drain water per click mutations entry below is ranked by multiplier and rarity. If you only read one part of this 1 drain water per click mutations guide, read the table — it is the fastest way to know which 1 drain water per click mutations is worth chasing in your current pool.

This 1 drain water per click mutations list is kept deliberately short and honest: four confirmed skins and no invented numbers. Bookmark it and re-check it before you spend cash, because the top 1 drain water per click mutations can decide the best sale of your whole session.

The 1 drain water per click mutations guide hero image showing mutated fish
How it works

The rules behind 1 drain water per click mutations

Mutated fish in 1 drain water per click are worth trading up even when you are mid-pool. Because each fish holds a single 1 drain water per click mutation that never stacks, the smart play is to keep draining until a high-tier skin appears, then harvest it fast before it fades. The multiplier is where the value lives — Hole at 20x turns an ordinary catch into the best sale of the session. In short, the rule that defines 1 drain water per click mutations is simple: never stack, always chase the highest tier that spawns.

  • Mutations apply only to fish — a 1 drain water per click mutation never touches your pumps in 1 drain water per click.
  • Each fish carries exactly one 1 drain water per click mutation and they cannot stack.
  • They raise the seller value and the aquarium income of the fish in 1 drain water per click, which is the whole point of chasing a 1 drain water per click mutation.
  • Mutated fish fade after a short window, so harvest quickly in 1 drain water per click.
  • You cannot add or upgrade a 1 drain water per click mutation on a fish you already own.
All four mutations

The four 1 drain water per click mutations

Every 1 drain water per click mutation, ranked by multiplier and rarity. Higher is not just rarer — it sells and banks noticeably more, which is why the top of the 1 drain water per click mutations table is always the target. Treat this as the definitive 1 drain water per click mutations ranking for the current patch.

C tierCommon

Gold

x2 sale & aquarium value

Look: Golden fish skin

Spawns naturally in all open pools — the most common mutation.

B tierRare

Diamond

x5 sale & aquarium value

Look: Cyan / diamond skin

Spawns naturally in all open pools, rarer than Gold.

A tierEpic

Venom

x10 sale & aquarium value

Look: Neon green skin

Spawns naturally at a low rate in all pools; much more common during the Poison weather event.

Poison (+10% spawn, 4 minutes)
S tierMythic

Hole

x20 sale & aquarium value

Look: Dark / black-hole skin

The rarest mutation. Has a low natural spawn rate; heavily boosted during the Black Hole weather event.

Black Hole (+10% spawn, 4 minutes)
Weather tips

Using weather events to farm 1 drain water per click mutations

The two strongest 1 drain water per click mutations both spawn faster during weather events. Venom gets a 10% higher spawn chance for four minutes during the Poison weather event, and Hole gets the same boost during the Black Hole event. That four-minute window is the best moment to drain hard and watch the pool for a high-tier 1 drain water per click mutation. Every weather shift can refresh which 1 drain water per click mutations is worth hunting, so time your draining around it.

Gold and Diamond do not get a weather boost in 1 drain water per click — they rely on their natural spawn. That makes them steady income, while Venom and Hole are the weather-dependent swings. Money from every 1 drain water per click mutation feeds back into the pump upgrades that push you deeper, so check the pump tier list to spend it, and the pets guide to drain faster toward those boosted 1 drain water per click mutations.

Video

Watching for mutations in the drained pool

This clip shows the drained pool where mutated fish surface in 1 drain water per click — a real look at how the four 1 drain water per click mutations appear in the wild, and why the highest one is the one to harvest first.

The endgame payoff — emptying a full lake and what spawns when the water is gone.
Mutated fish visuals in 1 drain water per click
A high-multiplier 1 drain water per click mutation result
The pool environment where 1 drain water per click mutations spawn
Strategy

A quick 1 drain water per click mutations checklist

  • Watch the four-minute weather window Poison and Black Hole events give the only boosted rates for 1 drain water per click mutations, so mark the full weather cycle you want to chase.
  • Harvest before it fades mutated fish disappear after a short window, so collect every 1 drain water per click mutation the moment it appears.
  • Do not stack since one fish holds one 1 drain water per click mutation, keep hunting for the higher tier rather than holding smaller ones.

Sell the highest 1 drain water per click mutation you find, bank the cash, and let the resulting pump upgrades shorten the time to the next event. Bookmark this guide — the 1 drain water per click mutations list is short, but every patch can extend it, and a current 1 drain water per click mutations check is the difference between selling high and missing the window.

Re-check this 1 drain water per click mutations guide after each update. The four confirmed options are stable, but new weather events can change how easy the 1 drain water per click mutations are to chase. Keep this 1 drain water per click mutations reference handy whenever you plan a grinding session.

Common questions

FAQ

What are mutations in 1 drain water per click?

In 1 drain water per click, mutations are special skins that spawn on fish in your pool and raise how much that fish sells for and earns from the aquarium. A single fish carries a single 1 drain water per click mutation and they cannot stack, so you chase the highest one that appears.

Can mutant fish stack multiple 1 drain water per click mutations?

No. Each fish in 1 drain water per click holds exactly one mutation — Gold, Diamond, Venom or Hole — and they never stack on the same fish. Confirming one and finding another on the same fish does not combine them into a stronger 1 drain water per click mutation for that fish.

How do I get the best mutation in 1 drain water per click?

The rarest 1 drain water per click mutation is Hole, which spawns naturally at a very low rate but is heavily boosted during the Black Hole weather event by an extra 10% for four minutes. Venom gets the same treatment during the Poison weather event, making weather the key to hunting top mutations in 1 drain water per click.

Do mutations disappear in 1 drain water per click?

Yes. Once a mutated fish appears in 1 drain water per click, it starts to fade after a short window, so you should pick it up quickly. Waiting too long makes the fish (and its 1 drain water per click mutation) despawn before you can harvest it.

Can I add a mutation to a fish I already caught in 1 drain water per click?

No. You cannot take a fish you have already caught and add or upgrade a 1 drain water per click mutation onto it. Mutations exist only on fish that spawn already mutated — your job is to spot them and harvest before they fade in 1 drain water per click.

Which 1 drain water per click mutation is the rarest?

Hole is the rarest set, at Mythic rarity and a 20x multiplier, and it is hardest to find in 1 drain water per click. Diamond is the second-tier rare at 5x, while Gold is the most common. Weather events are the most reliable lever for the top-end 1 drain water per click mutations.

Keep reading

Data source: allthings.how (Aug 20 2026), techwiser.com (Aug 21 2026) — cross-checked mutation multipliers. The 1 drain water per click mutations list above is cross-checked against public guides before each publish, so every confirmed 1 drain water per click mutations entry you read here is verified, not guessed.