What Would You Suggest Buying As Live Food For My Turtle?

shrimp , snails because have res x2 , cought small snail , ghost shrimp before (tried keep pets aswell turtles) , gulp 'em up!!!

i'm going go buy live food res soon, don't know buy. i'm thinking few danios, , maybe guppies if got new ones in ( theirs small right ). suggest out of list?
snails
danios
giant danios
guppies
shrimp
:) thanks! ^-^

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