Hysterothylacium auctum (Rudolphi 1802) Deardorff & Overstreet 1981

have host

• Global Biotic Interactions: Zoarces viviparus (Linnaeus 1758) (blennie vivipare)

parasitize

• Global Biotic Interactions: Gobiusculus flavescens (Fabricius 1779) (Gobie Nageur)
• Global Biotic Interactions: Pomatoschistus microps (Krøyer 1838) (Gobie Commun)
• Global Biotic Interactions: Pennahia argentata (Houttuyn 1782) (Maigre argenté)
• Global Biotic Interactions: Scophthalmus maximus (Linnaeus 1758) (turbot)
• Global Biotic Interactions: Myoxocephalus scorpius (Linnaeus 1758) (Chaboisseau à épines courtes)