Berra's 1996 research on Galaxias maculatus proved that its freshwater distribution around the Southern Hemisphere was due to dispersal through the sea of salt-tolerant juveniles. He has also worked on other Chilean galaxiids.
Berra's 1996 research on Galaxias maculatus proved that its freshwater distribution around the Southern Hemisphere was due to dispersal through the sea of salt-tolerant juveniles He has also worked on other Chilean galaxiids.