Podcast episode · Marine Biology
The Voracious Ctenophore and the Silent Sea (with Brad Gemmell)
Big Biology
Apr 23, 2026
Brad Gemmell discusses how changing environmental conditions affect the behaviour and ecology of small marine organisms. Topics include ctenophore predation, diatoms and ocean carbon cycling, and the role of upside-down Cassiopea jellyfish as ecosystem engineers. The conversation connects organismal physiology and movement with broader changes in marine ecosystems.