Microsporidian parasites, such as Enterocytozoon hepatopenaei, represent a diverse group of obligate intracellular pathogens that affect a wide range of aquatic hosts from shrimp to fish. These ...

Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more ...

The intricate relationships between cleaner fish and cleaner shrimp underpin some of the most compelling examples of mutualism in coral reef ecosystems. These interactions involve smaller organisms ...