It is hard to extend morality between species. The idea of parents sacrificing themselves for their children seems to resonate as highly moral, and is also a common pattern in biology.
But how it plays out, from humans where the male can provide more by continuing to live and "hunt/protect/teach"-- but at the risk that the "hunt/protect" might end his life, to spiders where (some species) the male gives his body to provide nutrition for the child,
But how it plays out, from humans where the male can provide more by continuing to live and "hunt/protect/teach"-- but at the risk that the "hunt/protect" might end his life, to spiders where (some species) the male gives his body to provide nutrition for the child,
well, who am I to say which is more moral?