In many animal phyla, females have a unique sperm storage organ (SSO). Post-copulatory
sexual selection is a powerful driving force of SSO evolution. SSOs are generally considered …

Abstract The Add-my-Pet (AmP) collection of data on energetics and Dynamic Energy
Budget (DEB) parameters currently contains 92 of the 800 extant species of cephalopods …

Cephalopods are characterized by a substantial behavioral flexibility during reproductive
interactions; however, for octopods rather few studies have provided empirical information …

In some squids, such as those in the family Loliginidae, upon copulation, females receive
and store male-delivered sperm capsules, spermatangia, at two different body locations: the …

Bobtail squids (Family Sepiolidae) have a variety of sperm storage patterns, but their
reproductive biology has not been studied in many species, especially those in Japanese …

In polygamous species, the mode of sperm storage in females influences evolution of sperm
quantitative and qualitative traits because it provides the arena for sperm competition, cryptic …

Unlike most cephalopods, the firefly squid Watasenia scintillans is highly monoandrous. We
investigated this unusual phenomenon by considering the rare occurrence of polyandrous …

Female eumetazoans often develop sperm storage organs (SSOs). Although the processes
of sperm storage may influence sperm competition and cryptic female choice in polyandrous …

Sperm morphology is generally uniform within a species due to selective pressures that act
to achieve better fertilization outcomes under postcopulatory competitive circumstances …

Honey bee (Apis mellifera L.) queens are polyandrous, mating with multiple males.
Polyandry results in high within-colony genetic variation; however, the adaptive drivers of …