It is widely agreed that fecundity selection and sexual selection are the major evolutionary
forces that select for larger body size in most organisms. The general, equilibrium view is …

Sexual size dimorphism (SSD) is common in both plants and animals, and current evidence
suggests that it reflects the adaptation of males and females to their different reproductive …

Few subjects have generated as much emotional dialogue around conflicting scientific and
policy agendas as the protection and management of Pacific salmon resources. In this major …

Sexual and asexual reproduction are found throughout the plant and animal kingdoms.
Asexual reproduction has its advantages, chief among which is that it does not require the …

When the first edition of Inland Fishes of California was published in 1976, it was a
benchmark reference. Since that time, our knowledge of California's freshwater fishes has …

Abstract Atlantic salmon (Salmo solar, Salmonidae) show a diversity of life history,
behavioural and morphological adaptations for reproduction which have evolved as an …

Over the past decades, Atlantic salmon (Salmo salar, Salmonidae) has emerged as a model
system for sexual maturation research, owing to the high diversity of life history strategies …

Human harvest of phenotypically desirable animals from wild populations imposes selection
that can reduce the frequencies of those desirable phenotypes. Hunting and fishing contrast …

Accumulating data indicate that hatchery fish have lower fitness in natural environments
than wild fish. This fitness decline can occur very quickly, sometimes following only one or …

Among vertebrates, fish show by far the greatest variability of alternative reproductive tactics
(ARTs). Usually, males attempting to monopolize access to females or fertilizations are …