For one thing, biologists and historians have noted, the Watson-Crick theory still had major holes in it.

But the mainstay of the town's economy is still fish, which, Mr. Vidal and other biologists note, have in any case been declining with the vaquita for years.

This is rather less than was believed two years ago, since in improving the quality of the map its size declined, one molecular biologist noted.

It was charted in 1951 by the French Antarctic Expedition and named by them for Jean Rostand, noted French biologist.

The species is named after Peter Corbin, a marine biologist noted for his extensive work on Atlantic Stauromedusae.

On the taped video from other dives, biologists noted that the six-gills appeared to be true bottom or sub-bottom feeders.

A biologist noted for his work on the spotted owl, Thomas was an outsider, known more as a hands-on forester than as a Washington bureaucrat.

Around Sri Lanka, biologists have already noted a drop in coastal fish stocks as a result.

While many biologists note that evolutionary changes usually take hundreds of years, evidence is growing that fishing pressure compresses generations and can accelerate the rate of such change.

But the biologists note that tourism and scuba diving can help mitigate the loss of revenue and that, unlike bag and size limits, refuges are easy to police.