I've got a big mix of herbivores, omnivores and carnivores. I usually feed Hikari algae wafers and massivore pellets.
Usually once a week I'll make them some kabobs to mix things up.
For the carnivores I do shrimp and fish fillet. They're usually the only ones to go for that but occasionally my Royals will eat some shrimp. Fortunately I've never had an issue.
When feeding veggies I get the best response from watermelon (they'll eat the rind too), sweet potato, red/green/orange peppers and various squash.
They all LOVE seedless cucumber or zucchini - that's the favorite.
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