Rhinochimera (Harriotta sp.) swims 10 meters above the seafloor in
Hydrographer Canyon during Dive 05, July 13, of the Okeanos Explorer
Northeast U.S. Canyons Expedition 2013. Video courtesy of NOAA Okeanos
El Diego has just published his thesis paper.
I must say that in its details, it far surpasses the knowledge accumulated in my truncated biology studies many decades ago - but what I (maybe) understand, is that it provides evidence for two distinct populations of Pelagic Threshers in the Pacific. Considering that this is an extremely wide-ranging epipelagic Shark, this is rather