The population last month was tallied at 84 -- the same as in February.
Jim Deacon, a University of Nevada-Las Vegas biologist, said, 'The expected increase this fall did not happen. All through last summer there was egg-laying and babies produced, but not enough to increase the adult population, so we're still at very dangerous levels.'Unless we do something quickly, they will disappear forever.
'It doesn't look like there was a change in the ecological relationships,' Deacon told the Sun. 'One easy cop out is to say there is a genetic bottleneck, but I think that's too easy.
Tag : pupfish, environment, nature, ecology.