a small type of fish that breeds quickly and comes in many colours. They are often kept in fish bowls and aquariums.
- We have too many guppies in our aquarium.
- Male guppies are prettier in colour than female guppies.
Guppies are also known as "rainbow fish".
Origin: Robert John Lechmere Guppy (1836-1916) was a British naturalist. He discovered the guppy fish in Trinidad in 1866, and it was later named after him.
Why do aquariums often have too many guppies?
Contributor: Tara Benwell