
Loligo squids approaching and touching the egg capsules, which harbor the contact pheromone that initiates high-level aggression among males.
Photograph by: Roger Hanlon
Image credit: The Marine Biological Laboratory - Newly Discovered Pheromone Linked to Aggressive Behavior in Squid
Dr. Frank Brown, a biologist who worked at Woods Hole Marine Biological Laboratories, has written about 50 papers on responses of animals and plants to geomagnetic parameters.
— Buryl Payne in The Body Magnetic, Edition 4, Chapter 4 (Planetary Magnetism), (Santa Cruz, California: independently published, February 1990), p. 63