This image for day 217 of #LMB365 shows one of the racks of zebrafish tanks found in the aquatics facility within the University occupied space at the LMB. Each 1.5 litre tank can hold up to 25 fish fry up to 30 days of age and the racks are designed to provide a controlled environment of 26C, pH7 and conductivity of 650 to ensure the welfare of the fish.