Research at BIO is organised in different Research Groups. The department also has a large project portfolio. Around half of the scientific positions at BIO are supported through externally-financed research projects.

• Aquatic behavioral ecology
• Ecological and Environmental Change Research Group
• Evolutionary ecology (EvoFish)
• Fish immunology
• Fisheries Ecology and aquaculture
• Fish Disease Research Group - FDRG
• General microbiology
• Centre for Geobiology
• Marine biodiversity
• Marine microbiology
• Environmental toxicology
• Theoretical Ecology Group
• Marine Developmental Biology