While it is possible that the parents ate the eggs, or let other fish eat the eggs, take a close look around the tank. Attentive angelfish parents will often move the eggs. Look at other flat surfaces, both vertical and horizontal, for the wiggling eggs. You may find them stuck to the heater or sides of the tank.
Regimen: A plan or a regulated course, such as a diet, exercise, or treatment, that is designed to give a good result. A low-salt diet is one type of dietary regimen.
A regime is the ruling government of a country. The amount of freedom and restriction that citizens of a country have can change from regime to regime. Regime takes its militaristic and government feel from the Latin word regimen to rule.. A political regime has a negative association to it that makes you think of totalitarian governments.