sunfish

Any of various North American freshwater fishes of the family Centrarchidae, having laterally compressed, often brightly colored bodies and including the crappies, black bass, bluegill, and pumpkinseed.

Any of several large marine fishes of the family Molidae, especially the ocean sunfish.

A common name of various fishes.

A jellyfish, especially one of the larger kinds, a foot or so in diameter. See cut under Cyanea.

To act like a sunfish, specifically as in the quotation.

A very large oceanic plectognath fish (Mola mola, Mola rotunda, or Orthagoriscus mola) having a broad body and a truncated tail.

Any one of numerous species of perch-like North American fresh-water fishes of the family Centrachidæ. 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 (L. pallidus), and the long-eared sunfish (L. auritus). Several of the species are called also pondfish.

The moonfish, or bluntnosed shiner.

The opah.

The basking, or liver, shark.