Introduction: The river sardine (Engraulicypris brevianalis) is a small freshwater fish species native to certain regions in Namibia. It belongs to the Cyprinidae family and is known for its unique appearance and behaviour.
Distribution: The river sardine is found in specific areas of Namibia, particularly in freshwater habitats such as rivers, streams, and lakes. It prefers slow-moving waters with vegetation and can be found in both permanent and seasonal water bodies.
Diet: The river sardine is primarily a planktivorous fish, meaning it feeds on small zooplankton and phytoplankton present in the water. It has specialized adaptations to filter tiny food particles from the water column.
behaviour: This species is known for its schooling behaviour, where large groups of individuals swim together in coordinated patterns. Schooling provides protection against predators and improves foraging efficiency.
colouration: The river sardine has a silvery colouration, which helps it blend into its aquatic environment and avoid detection by predators and prey.
Size: The river sardine is a small fish, with adults typically reaching lengths of about 4 to 6 centimetres.