LEVEL 166

Fish Flow Level 166 Guide

Official initial board and replay-verified 30-move strict JSON solution for Fish Flow Level 166, featuring 12 mystery fish and 2 seaweed-locked branches. Branch numbering starts at 1.

Moves: 30
Branches: 10
Fish types: 8
Mystery fish: 12
Seaweed branches: 2

For the untouched initial position only.
This answer is bound to fingerprint ff1-f0216106. If you have moved a fish, shuffled, undone, or added a branch, restart the level or copy a fresh prompt in the game.

Initial board

Read each array from bottom to top; the rightmost value is the current top fish. “?” marks a fish that starts hidden.

Open board JSON

Branch	Capacity	Fish (bottom → top)	Status
1	4	0? → 6? → 2 → 6	Available
2	4	7 → 4 → 5? → 3	Available
3	4	6 → 7? → 4? → 4	Seaweed locked · unlock after completing fish 3
4	4	1? → 3 → 5? → 2	Available
5	4	1? → 4 → 0 → 3	Seaweed locked · unlock after completing fish 5
6	4	2 → 6? → 0 → 7	Available
7	4	Empty	Empty branch
8	4	3 → 2? → 7? → 5	Available
9	4	0 → 1 → 5? → 1	Available
10	4	Empty	Empty branch

30-move solution

Every move uses the fully settled board after automatic movement, reveals, completed groups, and seaweed unlocks from the previous step.

Open answer JSON

01Branch 9Branch 7
02Branch 8Branch 9
03Branch 6Branch 8
04Branch 9Branch 10
05Branch 7Branch 9
06Branch 4Branch 7
07Branch 4Branch 10
08Branch 2Branch 4
09Branch 2Branch 10
10Branch 5Branch 4
11Branch 6Branch 5
12Branch 1Branch 6
13Branch 1Branch 7
14Branch 1Branch 6
15Branch 5Branch 1
16Branch 5Branch 2
17Branch 5Branch 9
18Branch 4Branch 5
19Branch 9Branch 4
20Branch 1Branch 9
21Branch 8Branch 1
22Branch 8Branch 7
23Branch 5Branch 8
24Branch 3Branch 2
25Branch 3Branch 5
26Branch 2Branch 5
27Branch 1Branch 2
28Branch 3Branch 2
29Branch 6Branch 3
30Branch 6Branch 7

Strict JSON for AI assistance

Contains only protocol-approved fields and can be pasted into the in-game AI assistance input.

{
  "schema": "fish-flow-ai-solution/v1",
  "level": 166,
  "boardFingerprint": "ff1-f0216106",
  "modelName": "FISH FLOW Guide 1.0",
  "moves": [
    {
      "from": 9,
      "to": 7
    },
    {
      "from": 8,
      "to": 9
    },
    {
      "from": 6,
      "to": 8
    },
    {
      "from": 9,
      "to": 10
    },
    {
      "from": 7,
      "to": 9
    },
    {
      "from": 4,
      "to": 7
    },
    {
      "from": 4,
      "to": 10
    },
    {
      "from": 2,
      "to": 4
    },
    {
      "from": 2,
      "to": 10
    },
    {
      "from": 5,
      "to": 4
    },
    {
      "from": 6,
      "to": 5
    },
    {
      "from": 1,
      "to": 6
    },
    {
      "from": 1,
      "to": 7
    },
    {
      "from": 1,
      "to": 6
    },
    {
      "from": 5,
      "to": 1
    },
    {
      "from": 5,
      "to": 2
    },
    {
      "from": 5,
      "to": 9
    },
    {
      "from": 4,
      "to": 5
    },
    {
      "from": 9,
      "to": 4
    },
    {
      "from": 1,
      "to": 9
    },
    {
      "from": 8,
      "to": 1
    },
    {
      "from": 8,
      "to": 7
    },
    {
      "from": 5,
      "to": 8
    },
    {
      "from": 3,
      "to": 2
    },
    {
      "from": 3,
      "to": 5
    },
    {
      "from": 2,
      "to": 5
    },
    {
      "from": 1,
      "to": 2
    },
    {
      "from": 3,
      "to": 2
    },
    {
      "from": 6,
      "to": 3
    },
    {
      "from": 6,
      "to": 7
    }
  ]
}