
Such observations could help conserve dwindling fish stocks, says Nicholas Makris, an oceanographer at MIT, who led the study.
"If we see what's in the ocean we'll be more mindful of conserving it," he says.
The technology - called ocean acoustic waveguide remote sensing (OAWRS) - has also helped researchers confirm theoretical predictions as to why and how so many animals get together and act as one.
"I don't know anything that's close to this scale," says Iain Couzin, a biologist at Princeton University in New Jersey, who was not involved in the study.
Comment: What is interesting about this report is that it comes from big business. If you want to pay $1295.00 you can download a copy and read it. I guess big business is telling James Hansen and the rest of the Gore-Landers that they are a bunch of liars. Rather than jumping on the Global Warming is going to get us gravy train, these guys are going directly against that money making scheme.
Here is what the source company says about itself: