Proteocephalus percae (Müller 1780)

are endoparasites of

• Global Biotic Interactions: Perca fluviatilis Linnaeus 1758 (Perch)
• Global Biotic Interactions: Eudiaptomus graciloides (Lilljeborg 1888)
• Global Biotic Interactions: Cyclops scutifer
• Global Biotic Interactions: Acanthocyclops viridis
• Global Biotic Interactions: Eucyclops agilis
• Global Biotic Interactions: Perca fluviatilis Linnaeus 1758 (Perch)
• Global Biotic Interactions: Cyclops kolensis
• Global Biotic Interactions: Megacyclops gigas
• Global Biotic Interactions: Pomatoschistus microps (Krøyer 1838) (Common Goby)
• Global Biotic Interactions: Syngnathus typhle Linnaeus 1758 (Broadnosed Pipefish)
• Global Biotic Interactions: Pomatoschistus minutus (Pallas 1770) (Sand Goby)
• Global Biotic Interactions: Gobius niger Linnaeus 1758 (Black Goby)
• Global Biotic Interactions: Gymnocephalus cernua (Linnaeus 1758) (Ruffe)
• Global Biotic Interactions: Mesocyclops leuckarti