Nights, when I can’t sleep, I listen to the sea lionsbarking from the rocks off the lighthouse.I look out the black window into the black nightand think about the fish stirring the ocean.Muscular tuna, their lunge and thrashchurning the water to froth,whipping up a squall, storm of hunger.Herring cruising, river of silver in the sea,wide as a lit city. And all the small breaths:pulse of frilled jellyfish, thrust of squid,frenzy of krill, transparent skin glowinggreen with the glass shells of diatoms.Billions swarming up the water column each night,gliding down at dawn. They’re the greased motorthat powers the world, whirringMixmaster folding the planet’s batter.Shipping heat to the Arctic, hauling coldto the tropics, currents unspooling around the globe.My room is so still, the bureau lifeless,and on it, inert, the paraphernalia of humans:keys,…