How much should I feed my betta fish to ensure not only its survival but also its optimal health and vibrancy? When considering the feeding regime, one often finds themselves grappling with an array of variables that could influence the dietary requirements of their aquatic companion. Should I adhere strictly to pre-portioned pellets, or would a diet enriched with occasional live or frozen foods be more beneficial? How frequently should feeding occur throughout the day? Is it prudent to adjust the quantity based on the age and size of the fish, or should I rely on a one-size-fits-all approach? Additionally, what are the potential consequences of overfeeding or underfeeding my betta? Do different environmental conditions, such as water temperature and tank mates, warrant a reevaluation of the feeding strategy? In this intricate dance of nutrition, how can one ascertain the precise balance to cultivate a thriving betta fish that exhibits robust coloration and liveliness?