croaker
croak.er \'kro-k*r\ n 1: an animal that croaks 2: any of various fishes (esp. family Sciaenidae) that produce croaking or grunting noises 3: one that habitually forbodes evil : GRUMBLER
croak.er \'kro-k*r\ n 1: an animal that croaks 2: any of various fishes (esp. family Sciaenidae) that produce croaking or grunting noises 3: one that habitually forbodes evil : GRUMBLER