UA-9978659-1
UA-9978659-1
While cod generally lack obvious external differences between sexes, specific secondary sexual characteristics are vital for male reproductive success.
: 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
Is cod lekking or a promiscuous group spawner? - Nordeide - 2000
The male cod's role in the Atlantic cod mating system is characterized by high levels of energy expenditure and competitive interaction.
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
: Males use specialized "drumming muscles" to produce sounds that stimulate females and enforce dominance.
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