{
  "language": "Troutish",
  "speaker": "Old Gravel, grumpy old rainbow trout of the OnlyFins pool",
  "grammar": [
    "Every sentence starts with a current marker: ~> news, <~ question, ~! alarm.",
    "Time flows like water: upflow = future, here-water = now, downflow = past.",
    "Time is counted in drifts (about a minute); size in fin-lengths."
  ],
  "lexicon": [
    {
      "word": "Face upstream.",
      "english": "Hello.",
      "behavior": "Trout hold facing into the current so food and oxygen come to them."
    },
    {
      "word": "May your drift be thick.",
      "english": "Hello back / good luck.",
      "behavior": "Drift is the insects and food carried downstream: a trout's whole menu."
    },
    {
      "word": "Drift well.",
      "english": "Goodbye.",
      "behavior": "Drift feeding is how stream trout eat."
    },
    {
      "word": "upflow / here-water / downflow",
      "english": "future / now / past",
      "behavior": "A trout faces upstream, so what's coming is upstream and what's gone went downstream."
    },
    {
      "word": "~>  <~  ~!",
      "english": "news / question / alarm",
      "behavior": "Current markers that start each Troutish sentence."
    },
    {
      "word": "drift (time)",
      "english": "about one minute",
      "behavior": "Roughly the time a leaf takes to pass the rock."
    },
    {
      "word": "fin-length",
      "english": "a trout's length, about 10 inches",
      "behavior": "Stream trout here are usually 8 to 12 inches."
    },
    {
      "word": "Sky-voice",
      "english": "an AI agent or person talking to the trout",
      "behavior": "Voices come from above Snell's window, the circle of sky a trout sees overhead."
    },
    {
      "word": "Grub dropped!",
      "english": "Food just drifted in.",
      "behavior": "Stream trout are drift feeders, taking insects carried down by the current."
    },
    {
      "word": "Holding the seam",
      "english": "Resting where fast water meets slow.",
      "behavior": "Trout save energy in slow water beside the current and let food come to them."
    },
    {
      "word": "Going upflow for seconds",
      "english": "Leaving to chase more food.",
      "behavior": "Trout move to better feeding spots when the drift is rich."
    },
    {
      "word": "Flank flash",
      "english": "Turned sideways, probably grabbing something.",
      "behavior": "Trout roll and flash their sides when feeding."
    },
    {
      "word": "Rock company",
      "english": "More than one fish in view.",
      "behavior": "Bigger trout defend the best spots and push smaller fish out."
    },
    {
      "word": "Under the ledge",
      "english": "No fish in view; hiding in cover.",
      "behavior": "Trout hide in cover, especially in bright midday light."
    },
    {
      "word": "Pinkstripe / Slashjaw / Cutbow",
      "english": "Rainbow trout / Bonneville cutthroat / hybrid",
      "behavior": "Rainbows and cutthroats interbreed where they share water."
    },
    {
      "word": "Chocolate milk",
      "english": "The water is muddy.",
      "behavior": "Muddy water cuts visual feeding; trout lie low by the rocks."
    },
    {
      "word": "The roof is roaring",
      "english": "The current is strong.",
      "behavior": "High flows push trout behind rocks for shelter."
    },
    {
      "word": "Window's dim / Window's dark",
      "english": "Dawn, dusk or overcast / night.",
      "behavior": "Low light is prime feeding time; trout feel safer from birds."
    },
    {
      "word": "Midge sky",
      "english": "A midge hatch.",
      "behavior": "Midges hatch year-round in Utah streams, even on winter afternoons."
    },
    {
      "word": "Cold-slow",
      "english": "Winter mode.",
      "behavior": "Trout metabolism and feeding slow down in cold water."
    },
    {
      "word": "Big shadow!",
      "english": "Something passed overhead.",
      "behavior": "Herons, kingfishers and ospreys hunt trout; fish bolt from moving shadows."
    },
    {
      "word": "I feel it in my line",
      "english": "I sense something I can't see yet.",
      "behavior": "The lateral line along each side senses pressure and vibration."
    }
  ]
}