Gravid and barren Daphnia pulex were exposed to a variety of predators in laboratory aquaria. Small fish (guppies, sticklebacks and shiner fry) consistently preferred the gravid females, establishing ...

Flourishing in spectacular numbers in lakes and ponds around the world, tiny creatures known as Daphnia play an essential role in freshwater ecology. Daphnia, a type of planktonic crustacean, are the ...

As natural enemies, parasites can dramatically harm host populations, and even catalyze their decline. Thus, identifying factors that promote disease spread is paramount. Environmental factors can ...

In cyclical parthenogenetic cladocerans and rotifers, sexual reproduction is linked to the production of dormant stages that can survive unfavourable environmental conditions (King, 1980; Hebert, 1987 ...

TUCSON: Pharmaceuticals flushed into watersheds are disturbing the reproduction of some aquatic wildlife, a finding with detrimental potential for human health in future, new research released on ...