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Glite Dictionary
Rivulus

Rivulus

9.9
A small freshwater fish from the Americas often kept in aquariums
  • noun
  • /ˈrɪv.jə.ləs/
  • Specialized
translation icon : Rivulus
  • The Rivulus is a fascinating killifish known for its vibrant colors and unique breeding habits.

Examples

  • I compared samples of the related Rivulus hartii from different habitats in Venezuela.

    Blog text (9)

  • Rivulus marmoratus (see "Room Without a View," September 1989).

    Academic text (1990)

  • The biologist studied the behavior of the Rivulus species in their natural freshwater habitat.

  • In the aquarium, I observed how the Rivulus fish interact with other small species.

Surface Forms

Rivulus singular
Rivulus plural
Rivuli plural

Etymology

The word Rivulus comes from the Latin rivus 'stream' plus the small ending -ulus, so it means 'small stream'. Like the English words river and rivulet, the name fits these tiny freshwater fish because they live in small streams.