Microsporidian parasites are a group of spore-forming unicellular organisms that can infect a variety of hosts, including amphipods, which are small crustaceans found in freshwater and marine ...

Named Dulcibella camanchaca, the creature is an amphipod – a diverse group of shrimp-like crustaceans that typically eat detritus or scavenge for food in marine or freshwater habitats.

It's easy to overlook minute animals like the Hay's spring amphipod. Full-grown individuals only reach about one centimeter in length, and they're not fond of the limelight. They live almost all their ...

Thought to lurk underground in the dark, honeycomb-like recesses between two Edwards Aquifer springs in central Texas, the elusive Peck's cave amphipod depends on steady spring flows and clean water ...