The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
a common aquatic bug that produces an extremely loud courtship song. This insect is a few millimetres in length yet can produce sound audible from the riverside.
Not wanting my ears boxed, I'm going to stay away from millimeters (whether true or not). However, did those bikini clad cutie-pies cause any emission of intense acoustic signals departing from the body size to amplitude rule?
The first TroutNut who makes a wise crack about "a few millimetres in length" will get his ears boxed...;)