Habitat shifts are implicated as the cause of many vertebrate radiations, yet relatively few empirical studies quantify patterns of diversification following colonization of new habitats in fishes. Th
Low morphological differentiation among taxa hampers its appropriate identification, basic biological studies, and promotion of any conservation effort. Aiming to clarify the evolution and speciation
The pike (Esox lucius) is a northern hemisphere, circumpolar, fresh water species that is typically the top predator in many lakes. It is an important northern recreational fishery. Pike are morpholog