
Alex Jordan
Evolutionary biologist at the Max Planck Institute of Animal Behaviour who researches animal cognition and explains mirror-test methodology and interpretation.
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Jan 23, 2026 • 26min
Do fish know what they look like?
Professor Alex Jordan, an evolutionary biologist who studies animal cognition, explains the mirror‑test methods. Professor Culum Brown, leader of Macquarie’s Fish Lab, explores smell and recognition. Dr Lauren Nadler, a reef fish social behavior researcher, examines shoaling and stress. They discuss visual and olfactory cues, individual odour signatures, imprinting, and whether mirror-test results mean fish recognize themselves.


