The conundrum of why subordinate individuals assist dominants at the expense of their own
direct reproduction has received much theoretical and empirical attention over the last 50 …

In many animal species, males may exhibit one of several discrete, alternative ways of
obtaining fertilisations, known as alternative reproductive tactics (ARTs). Males exhibiting …

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 …

In the second edition of this fascinating book an international team of experts have been
brought together to explore all major areas of fish learning, including: Foraging skills …

Alternative reproductive tactics (ARTs) coexisting within a population are found in many
organisms. Their existence has been an enduring puzzle in evolutionary biology. Why …

Cooperative breeding–characterized by the joint care of young produced primarily by
dominant group members–is widespread in animals, including invertebrates, birds, and …

In promiscuous species, male reproductive success is determined by the interaction
between the ability to access and choose females of the highest reproductive quality and …

Social interactions and relative positions within a dominance hierarchy have helped shape
the evolution of reproduction in many animals. Since reproduction is crucial in all animals …

When females copulate with multiple males, paternity is determined by the competitive
ability of a male to access females and by the ability of its ejaculates to out-compete those of …

Cichlid fishes of Lake Tanganyika display a variety of mating and parental care behaviors,
including polygamous and monogamous mouthbrooding and substrate breeding …