1. 1 fish: 111 Hz
  2. 2 fish: 222 Hz
  3. 3 fish: 333 Hz
  4. 4 fish: 444 Hz
  5. 5 fish: 555 Hz
  6. 6 fish: 666 Hz
  7. 7 fish: 777 Hz
  8. 8 fish: 888 Hz
  9. 9 fish: 999 Hz
  10. 10 fish: 1110 Hz
  11. 11 fish: 1221 Hz

11 fish, as pitch

the 11th harmonic of 111 Hz is 1221 Hz

1111 ÷ 11 + 10 = 111 fish →

How do sums of base 11 digits reach 11, 121, or 1331?

How many fish can you buy with 121?

What are 11's multiples in base 11?

How do 11, 111, 1111 multiply in base 11?

What is this page made of?

a fish in hand: $11.00 · a fish at sea: $8.34 · 11 in hand buy 14.5 at sea

1111 s · 1010 frames · the same 11 fish

GET /11.json

{
 "fish": 11,
 "domain": "11.fish",
 "take": "hertz",
 "frames": [
  "111 Hz",
  "222 Hz",
  "333 Hz",
  "444 Hz",
  "555 Hz",
  "666 Hz",
  "777 Hz",
  "888 Hz",
  "999 Hz",
  "1110 Hz",
  "1221 Hz"
 ],
 "says": "the 11th harmonic of 111 Hz is 1221 Hz",
 "clock": {
  "frameSeconds": 1.1,
  "loopSeconds": 12.1,
  "rule": "frame = floor(unix_ms / 1100) mod 11"
 },
 "price": {
  "fish": 11,
  "global": {
   "usd": 91.69,
   "text": "$91.69"
  },
  "local": {
   "country": "US",
   "currency": "USD",
   "value": 91.69,
   "text": "$91.69",
   "basis": "global benchmark"
  },
  "perFishKg": 1.1,
  "benchmark": "Atlantic salmon",
  "usdPerKg": 7.577719818462025,
  "asOf": "2026-09-01",
  "source": "PSALMUSDM"
 },
 "pages": {
  "111": "https://11.fish/111.json",
  "takes": "https://11.fish/takes.json",
  "price": "https://11.fish/price.json",
  "toy": "https://11.fish/toy.json"
 },
 "formats": {
  "json": "https://11.fish/11.json",
  "audio": "https://11.fish/11.wav",
  "video": "https://11.fish/11.png",
  "image": "https://11.fish/11.svg",
  "text": "https://11.fish/11.txt"
 }
}