Dubia roaches: the case for the everyday staple
On nutrition alone, dubia roaches pull ahead for most lizards. A dubia carries a generous amount of meat relative to its shell, so your lizard gets more protein and useful gut content per bite than it does from a cricket of the same length, with a thinner exoskeleton to work through. Crickets are leaner insects overall, and a larger share of what your lizard swallows is legs, wings, and shell. Dubia also store well: they live for months in a simple bin, grow through a range of sizes so one colony can feed a juvenile and an adult, and they are slow, calm insects that stay where you put them.
The day-to-day handling gap is just as wide. Dubia cannot climb smooth plastic or glass, cannot jump, and make no noise. Crickets chirp, smell strongly when their tub gets crowded, escape with enthusiasm, and — the real welfare point — loose crickets left in the enclosure overnight can nibble on a sleeping lizard's toes and eyelids. A dubia left uneaten simply hides and waits, doing no harm.
Crickets: where they still earn their place
Crickets have one genuine superpower: movement. Their skittering, jumping flight across the enclosure floor switches on the hunting drive in lizards that stare blankly at a roach sitting in a dish — reluctant hunters, shy new arrivals, and some chameleons and anoles simply will not strike at prey that does not flee. Crickets are also sold everywhere, in every size, at short notice, which matters when a colony crashes or a new lizard arrives unexpectedly. For a reluctant feeder, a week of crickets can restart an appetite that dubia alone could not.
Price and local rules cut both ways. Dubia cost more per insect than crickets, though a home colony erases that gap quickly. In some regions dubia roaches are restricted as an invasive risk, so check your local rules before ordering a breeding colony — crickets face no such restrictions.
Matching the feeder to your lizard
Whatever you choose, size the insect to the lizard: no wider than the space between the lizard's eyes is the long-standing guide, with smaller prey for babies and reluctant eaters. Bearded dragons, leopard geckos, and most skinks thrive on dubia as the staple with crickets as the occasional chase. Very small or movement-fixated lizards may need crickets as the main event, offered a few at a time so none are left loose. Either insect is only as nutritious as what it ate, so gut-load both on vegetables and greens for a day before serving, and dust according to your lizard's supplement schedule.
A sensible way to run both
Many keepers settle on a rotation rather than a winner: dubia on most feeding days for nutrition and peace of mind, crickets once or twice a week for enrichment and hunting exercise. Watch what your individual lizard actually does — the dragon that charges the dubia dish and ignores crickets, or the gecko that only wakes up for a jumping cricket, has already voted. KinsLe's Care Teams lets you write that rotation into your lizard's feeding duties with the dusting days marked, so the plan is followed the same way at every meal, whoever is holding the tongs.