Some electric fish in Africa have different communication patterns and won't mate with each other, although their DNA is the same, find Cornell scientists. They think the fish are living examples of a ...

Oily fish are fish species with oil in soft tissues and in the coelomic cavity around the gut. Their fillets may contain up to 30% oil, although this figure varies both within and between species.

Avoiding quicksand along the banks of the Ivindo River in Gabon, Cornell neurobiologists armed with oscilloscopes search for shapes and patterns of electricity created by fish in the water. They know ...