guppy


guppy

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(Top) Male and (bottom) female guppies (Lebistes reticulatus)—Jane Burton—Bruce Coleman Ltd.

Colourful, freshwater, live-bearing topminnows (Lebistes reticulatus and Poecilia reticulata; see killifish) popular as pets in home aquariums. Guppies are hardy, energetic, easily kept, and prolific. The male, smaller and much more brightly coloured than the female, grows to about 1.5 in. (4 cm). Guppies have been bred in various ornate strains characterized by colour or pattern and by shape and size of the tail and dorsal fins.

This entry comes from Encyclopædia Britannica Concise.
For the full entry on guppy, visit Britannica.com.

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