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.
Regime change. Regime change is the replacement of one government regime with another. Use of the term dates to at least 1925. Regime change may replace all or part of the state's most critical leadership system, administrative apparatus, or bureaucracy. It can be the deliberate product of outside force, as in warfare. Rollback is the military strategy to impose a regime change by defeating an enemy and removing its regime by force. Regime change can occur through inside change caused by revolution, coup d ...