I've read the shrimp have a true favorite when it comes to what vegetation they like to eat. Somewhere on the forum I read that a preferred leaf is from the mulberry tree. Probably too late to find any leaves for them to sample. They eat green vegetables like zucchini or kuiri squash. Aquarium shrimp often are given indian almond leaves.
Some indicate leaves that release tannin is helpful too, not sure why. Many experiments await!
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