zebrafish Archives - Science Connected Magazine

Anxious After Social Isolation in Lockdown?

July 6, 2020July 10, 2020 Science Connectedanti-social, brain mapping, loneliness, neuroscience, social isolation, zebrafish

Are you a loner or a lonely fish? Social isolation in zebrafish led to anxiety when reintroduced to society, mirroring how many humans feel after lockdown.

Animals Biology

Fish Fight Club Reveals Brains of Winners and Losers

November 29, 2016November 28, 2016 Science Connectedfish, genetic engineering, habenula, winners and losers, zebrafish

By Amanda Alvarez @neuroamanda The two opponents circle each other, showing off their scaly might and impressive stripes. Suddenly one darts forward, biting the other near the dorsal fin—and the fish fight is in full swing. The biting and dodging can go on for up to 20 minutes, but this is not a fight to the death. Zebrafish fight to maintain a social hierarchy, and eventually one will concede and withdraw to the bottom of the tank while the victorious opponent circles above. These winner and loser behaviors, it turns…