- Brown, Deborah and Key, Brian (2019, April 23). You look but do not find: why the absence of evidence can be a useful thing. The Conversation, .
- Key, Brian and Brown, Deborah (2018) Designing brains for pain: human to mollusc. Frontiers in Physiology, 9 AUG: 1027. doi:10.3389/fphys.2018.01027
- Browman, Howard I., Cooke, Steven J., Cowx, Ian G., Derbyshire, Stuart W. G., Kasumyan, Alexander, Key, Brian, Rose, James D., Schwab, Alexander, Skiftesvik, Anne Berit, Stevens, E. Don, Watson, Craig A. and Arlinghaus, Robert (2018) Welfare of aquatic animals: where things are, where they are going, and what it means for research, aquaculture, recreational angling, and commercial fishing. ICES Journal of Marine Science, . doi:10.1093/icesjms/fsy067
- Key, Brian, Arlinghaus, Robert and Browman, Howard I. (2016) Insects cannot tell us anything about subjective experience or the origin of consciousness. Proceedings of the National Academy of Sciences of the United States of America, 113 27: E3813-E3813. doi:10.1073/pnas.1606835113
- Key, Brian (2016) Do fish feel pain? Do fish feel pain?. Australasian Science, 37 3: 30-33.
- Key, Brian (2016). Development and regeneration of the vertebrate brain. In Gustav Steinhoff (Ed.), Regenerative medicine-from protocol to patient 3rd ed. (pp. 249-290) Basel, Switzerland: Springer International Publishing. doi:10.1007/978-3-319-27583-3_8
- Key, Brian (2016) Why fish do not feel pain. Animal Sentience: An Interdisciplinary Journal on Animal Feeling, 3 1:.
- Key, Brian (2014) Fish do not feel pain and its implications for understanding phenomenal consciousness. Biology and Philosophy, 30 2: 149-165. doi:10.1007/s10539-014-9469-4