Sperm production and allocation strategies have been a central concern of sperm
competition research for the past 50 years. But during the 'sexual cascade'there may be …

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 …

The Gobiiformes is one of the most diverse orders of the Percomorphs, with approximately
2000 species in 270 genera. They represent 5 to 10% of all teleosts, with species occurring …

Postcopulatory sexual selection is thought to drive the rapid evolution of reproductive tract
genes in many animals. Recently, a number of studies have sought to test this hypothesis by …

Alternative male reproductive tactics are taxonomically widespread. In such species,
parental, or conventional, males express secondary sexual characteristics, court females …

Seminal fluid often makes up a large part of an ejaculate, yet most empirical and theoretical
studies on sperm competition have focused on how sperm characteristics (number and …

Abstract Within the Atlantic–Mediterranean region, the 'sand gobies' are abundant and
widespread, and play an important role in marine, brackish, and freshwater ecosystems …

We studied the relationship between the morphology of the reproductive system and the
reproductive strategies of six neotropical catfishes using macroscopic and microscopic …

Here we report on the reproductive morphology and histology of three Gobiidae species (the
Caspian monkey goby, Neogobius pallasi; the Caspian goby, Neogobius caspius; and the …

Gobiid fishes (Family Gobiidae, Order Perciformes), consisting of at least genera
and, species (E. Murdy pers. comm.), constitute the second largest vertebrate family …