WordNet (r) 3.0 (2006):

squirrelfish
    n 1: similar to sea bream; small spiny-finned fish found in bays
         along the southeastern coast of the United States [syn:
         pinfish, sailor's-choice, squirrelfish, Lagodon
         rhomboides]
    2: very small, brightly colored (especially red) nocturnal
       fishes of shallow waters or tropical reefs; they make sounds
       like a squirrel's bark