Those tiny flies that take over your garbage cans during the summer? They are called fruit flies for a reason! They have a fantastic sense of smell and these tiny creatures are a popular animal model for researchers.
Serotonin is a busy neurotransmitter, influencing processes as memory, mood, emotion, appetite, and sexuality. A prime role for this neurotransmitter is social behavior, across a variety of species; humans, rodents, primates.
Zebrafish have more in common with humans than meets the eye. This is why they have become a “go-to” model in neuroscience research. But one difference remains: we walk and they swim.