Acanthephyra pelagica is a deep-sea pelagic shrimp with a global distribution. Mating has
never been observed in this species as its pelagic lifestyle makes direct observations …

Background Molecular genetic analyses of parentage provide insights into mating systems.
Although there are 22,000 members in Malacostraca, not much has been known about …

Over the past decade, the common rock shrimp, Rhynchocinetes typus, has been the focus
of extensive investigations on mating behaviour. The species is now perceived as a model …

Adult ghost shrimp, Callichirus islagrande (Schmitt, 1935), are obligate inhabitants of burrow
systems that they excavate deeply into beachfront sediments in the northern Gulf of Mexico …

Understanding the relationships between social and genetic interactions among individuals
can lead to important insights into both the evolution of social behavior and the movement of …

Animal populations can present different mating tactics according to the number of mates
males or females obtain. The limiting factors for copulation in symbiont crustaceans are the …

Investigations of paternity among marine crustaceans are rare, but the few studies of
brachyuran crabs that have been done to date suggest that most broods derive from single …

Breeding density and breeding synchrony have been reported to influence the intensity of
sperm competition although results obtained so far are not conclusive. In this study we …

Copulation was observed in 18 of 25 mating pairs of Sicyonia dorsalis whose activities were
recorded with a time-lapse video system, and mating behavior was described. Male success …

The objective of this study was to verify if populations of the snapping shrimps Alpheus
angulosus, A. bouvieri, A. carlae, A. estuariensis and A. nuttingi from Pernambuco …