Lionfish ear-bones reveal a more mobile invasion

Just as lions are apex predators on land, lionfish in Florida are an underwater force to be reckoned with. The biggest threat they pose, however, is not their venomous spines. It is the alarming speed and ferocity with which ...

Determining fish age using inner ear structures

Biologists in Japan have identified four distinct zones in the otolith, a calcium carbonate structure in the inner ear, which can be used to determine age in fish.