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.
Example Sentences for regimen. The mental and spiritual advantages of the regimen made themselves known to us by experience. But I am now on a system of cure by regimen: I am tired of surgery. These he keeps off by regimen, watering with clear water, and filling the house with steam. She commenced by taxing him with his book against her 'regimen.'.