Animals: Dancing Fish

Familiar to residents of southern California is the grunion, or sand-smelt (Athenmdae), a little fish that comes out on the beach at high tide, stands on its tail and dances in the moonlight. But few Cahfornians have inquired into the reason tor this strange nocturnal dance. In the May issue of Field & Stream, Fisherman Neil Frost described a grunion run, explained the dance:

"In a hollow [of the beach] a great wave left stranded what appeared to be countless scintillating particles of silver . . . Some appeared to be standing on their...

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