Male-cod -

In biological studies, the ( Gadus morhua ) is a primary subject for understanding complex marine mating systems, reproductive physiology, and sexual dimorphism. Research often focuses on their "lekking" behavior—a system where males compete in a display area to attract females—and the specific physiological adaptations that support this. Reproductive Biology and Behavior

: Successful courtship concludes with a ventral mount , where the male swims beneath the female, grasping her with his pelvic fins to release sperm as she releases eggs. Morphological and Genetic Traits male-cod

: Males use specialized "drumming muscles" to produce sounds that stimulate females and enforce dominance. In biological studies, the ( Gadus morhua )

The male cod's role in the Atlantic cod mating system is characterized by high levels of energy expenditure and competitive interaction. Morphological and Genetic Traits : Males use specialized