Word Study
guppy
CIDE DICTIONARY
guppy, n. [Named after R. J. L. Guppy , who brought speciments to the British museum. RHUD ].
A small freshwater fish of South America and West Indies (Lebistes reticulatus or Poecilia reticulata , originaly called Gerardinus guppyi ), often kept in aquariums; also called rainbow fish . [WordNet 1.5]
OXFORD DICTIONARY
guppy, n. (pl. -ies) a freshwater fish, Poecilia reticulata, of the W. Indies and S. America, frequently kept in aquariums, and giving birth to live young.
Etymology
R. J. L. Guppy, 19th-c. Trinidad clergyman who sent the first specimen to the British Museum
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