Sunfish

from WordNet (r) 3.0 (2006)

sunfish
    n 1: the lean flesh of any of numerous American perch-like
         fishes of the family Centrarchidae
    2: among the largest bony fish; pelagic fish having an oval
       compressed body with high dorsal and anal fins and caudal fin
       reduced to a rudder-like lobe; worldwide in warm waters [syn:
       {ocean sunfish}, {sunfish}, {mola}, {headfish}]
    3: small carnivorous freshwater percoid fishes of North America
       usually having a laterally compressed body and metallic
       luster: crappies; black bass; bluegills; pumpkinseed [syn:
       {sunfish}, {centrarchid}]

from The Collaborative International Dictionary of English v.0.48

Pondfish \Pond"fish`\, n. (Zool.)
   Any one of numerous species of American fresh-water fishes
   belonging to the family {Centrarchid[ae]}; -- called also
   {pond perch}, and {sunfish}.
   [1913 Webster]

   Note: The common pondfish of New England ({Lepomis gibbosus})
         is called also {bream}, {pumpkin seed}, and {sunny}.
         See {Sunfish}. The long-eared pondfish ({Lepomis
         auritus}) of the Eastern United States is distinguished
         by its very long opercular flap.
         [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Moonfish \Moon"fish`\, n. (Zool.)
   (a) An American marine fish ({Vomer setipennis}); -- called
       also {bluntnosed shiner}, {horsefish}, and {sunfish}.
   (b) A broad, thin, silvery marine fish ({Selene vomer}); --
       called also {lookdown}, and {silver moonfish}.
   (c) The mola. See {Sunfish}, 1.
       [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Sunfish \Sun"fish`\, n. (Zool.)
   (a) A very large oceanic plectognath fish ({Mola mola}, {Mola
       rotunda}, or {Orthagoriscus mola}) having a broad body
       and a truncated tail.
   (b) Any one of numerous species of perch-like North American
       fresh-water fishes of the family {Centrachidae}. They
       have a broad, compressed body, and strong dorsal spines.
       Among the common species of the Eastern United States are
       {Lepomis gibbosus} (called also {bream}, {pondfish},
       {pumpkin seed}, and {sunny}), the blue sunfish, or
       dollardee ({Lepomis pallidus}), and the long-eared
       sunfish ({Lepomis auritus}). Several of the species are
       called also {pondfish}.
   (c) The moonfish, or bluntnosed shiner.
   (d) The opah.
   (e) The basking, or liver, shark.
   (f) Any large jellyfish.
       [1913 Webster]