We know that fish come in all shapes and sizes, but have you ever thought about how their size affects their behaviour? 

Dr Amy Coghlan from the Institute for Marine and Antarctic Studies tells Olly this week all about her work in sized-based marine ecology, and the depths she’s (literally!) gone to for her research. 

Show theme music: Kevin MacLeod

Host: Olly Dove (@littledove440)

Production: Ryan Smith

Media & Promotion: Anna Abela