Locomotor behaviors in zebrafish (Danio rerio) larvae

▶ From 4 to 7 dpf, zebrafish larvae rest less often and become more active. ▶ From 4 to 7 dpf, larvae spend less time in any single quadrant. ▶ Larvae spend more time at the edge of a novel environment. ▶ Larvae are less thigmotactic and more exploratory in a familiar environment.