Are Fish Born With All Their Eggs? Most fish species spawn eggs that are fertilized externally, typically with the male inseminating the eggs after the female lays them. How many eggs do fish lay? Clutch size Do male fish have sperm? Males produce sperm, usually as a milky white substance called milt, in two (sometimes
Are Female Hormones Causing More Fish To Become Female? Fish, apparently male, are developing female sexual organs. Scientists believe it’s the result of too much estrogen in the water and they’re finding estrogen in rivers across the country. Researchers in Colorado have made a startling discovery. Fish, apparently male, are developing female sexual organs. Are
Can Fish Produce Unlimited Eggs? Activation of one particular gene in the adult stem cells of a marine animal called Hydractinia symbiolongicarpus leads to unlimited production of eggs and sperm. The findings could provide insight into the development of the human reproductive system and the causes of reproductive conditions and diseases. Do male fish have