Nature is full of evolutionary selflessness. From deep-sea octopuses to certain marsupials, there are animals and insects ...

Like most octopus species, the blue-lined octopus follows a reproductive pattern known as semelparity—mating once before dying. Males perish shortly after copulation. Females, once their eggs ...

Like most octopus species, blue-lined octopuses showed semelparity — a reproductive strategy in which an organism reproduces only once in its lifetime, typically producing a large number of ...