My only concern with guppies, is that they are widely produced as feeder fish, just like comets. When working at PetSmart, majority of the time the guppies had internal parasites bulging out of their sides, or a bad case of mouth/fin rot. The 'needlefish' would get these same parasites after feeding them the guppies.
Mollies are usually a little healthier..
Gut-loading is a great practice. You will also gut-load better if you fast the feeder fish first.
Ghost shrimp are great treats, but I don't see them being a big filler. Even if you gut-load them well, its a small amount of nutrition.
All of the options get expensive..
True, Pellets are 'cheaper' but they are by far the most nutritional.
I have read that predatory fish DO need some live fish in their diet.. Due to the concept that live fish will have nutrition in the bone/spine/organs that prepared/commercial food dosn't offer.
Mollies are usually a little healthier..
Gut-loading is a great practice. You will also gut-load better if you fast the feeder fish first.
Ghost shrimp are great treats, but I don't see them being a big filler. Even if you gut-load them well, its a small amount of nutrition.
All of the options get expensive..
True, Pellets are 'cheaper' but they are by far the most nutritional.
I have read that predatory fish DO need some live fish in their diet.. Due to the concept that live fish will have nutrition in the bone/spine/organs that prepared/commercial food dosn't offer.