Recent studies of basin-scale patterns of diversity of benthic macrofauna reported strong
latitudinal gradients of diversity in the deep North Atlantic, in contrast to regionally variable
patterns in the Southern Hemisphere. Here we use data from fisheries research trawl
surveys to examine spatial patterns of species richness, Shannon-Wiener diversity index,
and evenness of demersal fish communities in relation to latitude and depth from 80 to 898
m off south-east New Zealand. We found species richness decreased latitudinally within …