Eelpout (Zoarces viviparus) in marine environmental monitoring

► Eelpout (Zoarces viviparus) suitable indicator organism in Baltic and North Seas. ► Used in long-term (>15 years) integrated monitoring (chemical, biological effects). ► Integrated assessment of Good Environmental Status is called for in the MSFD. ► Larval development (inside mother) ecologically relevant biological effects endpoint. ► Specimen banking allow retrospective studies on chemical burdens.