Pregnant pipefish fathers are not super dads – Phys.Org

Phys.OrgPregnant pipefish fathers are not super dadsPhys.OrgBraga Goncalves explains that the lower availability of oxygen in water was believed to naturally limit the size of fish eggs and, as pipefish eggs are relatively large for the fish's size, it was assumed that the males somehow provided an abundant …and more »