now horrified , he saw other creatures trapped in the muck , floating half dead or lifeless : a family of rruush-oh stranded on the surface like a colony of oversized mushrooms , their fine , silver parachutes stained a poisonous brown , flapping emptily in the wind ; a shah-skur lying dead across the surface , its elegant , acrobatic coils reduced to one lank s-shape , its scales like broken brown teeth .