The African Killiffish (Nothobranchuis furzeri) cohort is an on-going and open cohort that includes data from approximately 250 males (n=125) and females (n=125), followed during 1, 2, 3, 4, 5 and 6 months. Functional data on spontaneous locomotion and cognition (roughly 100 000 data points/fish). Additionally, multiple biological samples have been collected so far including blood, brain, heart, liver, digestive tract, spleen, skeletal muscle, gonads. Functional data and samples are available in the framework of the present call.