Daphnia rosea (Trophic species 13) preys on:
Ankyra judayi
Selenastrum minutum
Chromulina
Cryptomonas sp. 1
Chroococcus dispersus
Chroococcus limneticus
microflagellates
Sphaerocystis schroeteri
Dictyosphaerium pulchellum
Schroederia setigera
Dinobryon sertularia
Cosmarium
Dactylococcopsis fascicularis
Peridinium pulsillum
Cryptomonas sp. 3
Cryptomonas sp. 4
Glenodinium pulvisculus
Oocystis sp. 1
Oocystis sp. 2
Oscillatoria
Ascomorpha ecaudis
Keratella cochlearis
Synchaeta

Based on studies in:
USA: Michigan, Tuesday Lake (Lake or pond)

This list may not be complete but is based on published studies.