Attractive Dads Make Poor Parents

An overview of Alissa et al. (2017)

The debate over parental responsibility is a contentious one in our human society. Who should get parental leave? Whose responsibility is child protection and education? Such questions are often aimed at trying to get men more involved in the caring of a child or to split responsibility more evenly between two parents. Who would have thought that similar questions are being asked about spider societies?

It turns out that those intriguing 8-legged creatures that have plagued people’s nightmares and inspired fantasy from Charlotte’s Web to Harry Potter, also have very complex family dynamics. For most wild creatures the main purpose in life is to reproduce as successfully as possible. Thus, in some species, such as the harvestman spider, Serracutisoma proximum, investigated by Alissa et al. (2017), we see a trade-off between energy and time investment in mating effort and offspring care. Continue reading “Attractive Dads Make Poor Parents”