Several different developmental patterns are responsible for inequalities in numbers of segments on the exopod and endopod of the same swimming leg of adult copepods. These patterns result from ...

The proximal portions of remipedian and cephalocarid trunk limbs were observed in detail. Some phylogenetically important structures have been formerly overlooked or ignored. The lobelike outer part ...

Shrimp-like critters the size of fleas could be the champion jumpers of the animal kingdom, scientists now reveal. After analyzing high-speed video of three species of crustaceans known as copepods, ...

Even the topmost layer of the ocean, just millimetres below the air above, is full of life. This zone, where two worlds meet, is home to small creatures like animal larvae, algae, bacteria, and other ...