Midshipman fish

Don't Blame Fish for West Seattle Hum Don't blame a fish mating call for the humming noise that annoyed West Seattle residents over the Labor Day weekend, says a University of Washington associate professor who studies the Midshipman fish,
Fish Mating Call Blamed For Loud Humming Sound In West SeattleA loud, ominous humming sound has been keeping a portion of West Seattle residents awake at night. Some have even reportedly been jarred from sleep by the low rumble, sometimes described as a growl, accompanying it. The Marine Biology program at the University of Washington may have solved the mystery of its source - the Midshipman fish.