To reduce irritation, the mollusk coats the intruder with the same secretion it uses for shell-building, nacre. To culture freshwater mussels, workers slightly open their shells, cut small slits ...

Freshwater mussels are some of the planet's most fascinating and underappreciated animals. With their beautifully colorful shells, diversity of shapes and interesting adornments — including ridges, ...

Repair of injured turtle shells can be difficult and time-consuming. This article describes how to manage the freshwater turtle in this phase of healing and how to keep fracture sites 'water-free'.

There’s only one freshwater hermit crab ... don’t have a uniformly hard exoskeleton and can’t grow their own shells. Instead, hermit crabs have a hard exoskeleton on the front part of ...