Cannibalism is widespread in natural populations of fishes, where the stomachs of adults frequently contain conspecific juveniles. Furthermore, field observations suggest that guardian males routinely eat offspring from their own nests. However, recent genetic paternity analyses have shown that fish nests often contain embryos not sired by the nest-tending male (because of cuckoldry events, egg...

Caring for offspring is energetically expensive, and when the costs of care are sufficiently high, the use of cost-reducing strategies can be favored. Such strategies may include the avoidance of nest construction through nest take-over and the restoration of depleted energy reserves through offspring cannibalism. Despite extensive theoretical and empirical work on parental care, neither the ac...

Cannibalism in Atlantic cod Gadus morhua is widespread under both field and culture conditions, but no studies have been conducted on the behavioural ontogeny of cannibalism in this species. We carried out an experiment to investigate the onset and ontogenetic changes in cannibalistic behaviour of Atlantic cod during early developmental stages. Cod larvae were separated into 4 size classes (6, ...

Sexual cannibalism occurs in several arthropod taxa, but its evolutionary significance has long been debated. A new study shows how females that eat their mates benefit in ways that go well beyond caloric nutrition.

A Coprological View of Ancestral Pueblo Cannibalism Debate over a single fecal fossil offers a cautionary tale of the interplay between science and culture" (2006). Karl Reinhard Papers/Publications. Paper 2.