Fish fry released during the day from outside the boundaries of a reef always swim away into open water. This is thought to be a survival behaviour, with heaps of hungry fish present on the reef. The way the fry determines the direction of the reef is unknown.
Starting Out: for those people just in the hobby ( 23 items ) Starting out in the reef keeping hobby? Then this catagory covers some of the more basic questions on setting up an aquarium for the first time.
All things to do with water quality and suitable parameters to be aimed for within a reef aquarium.