rivulids
Rivulids are a family of small freshwater fish belonging to the order Cyprinodontiformes. They are commonly known as killifish or rivulus fish. These fish are found in freshwater and brackish habitats across South America, Central America, and Africa. Many species are characterized by their small size, often less than 5 centimeters in length, and vibrant coloration, particularly in males.
A notable characteristic of many rivulids is their ability to survive periods of drought. Some species can
Rivulids are popular among aquarium hobbyists due to their striking appearances and interesting behaviors. However, their