Live Fast, Die Young, Leave a Good-Looking Corpse

. . . does not apparently apply to the male anglerfishes of the superfamily Ceratiidae

When he finds a female, he bites into her skin, and releases an enzyme that digests the skin of his mouth and her body, fusing the pair down to the blood-vessel level. The male then atrophies into nothing more than a pair of gonads, which release sperm in response to hormones in the female’s bloodstream indicating egg release.