How do fish have sex

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Red grouper — Epinephelus morio — are protogynous hermaphrodites, which can switch gender from female to male at a certain age. Ovary of a female Atlantic cod. Large aggregations of fish that spawn at the same time might achieve higher fertilization success due to more eggs and sperm in the water at one time. Follow us email facebook twitter Google Plus instagram pinterest youTube rss. Journal of Molecular Evolution. Hermaphroditism occurs when a given individual in a species possesses both male and female reproductive organs, or can alternative between possessing first one, and then the other. Aquarium life Blind fish Fish common names Fish families Glossary of ichthyology Large fish Threatened rays sharks Prehistoric fish more lists

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The evolutionary advantage here favors situations where mates are few and far between.

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Fish reproduction

He keeps them in the bubble nest, making sure none fall to the bottom and repairing the nest as needed. Therefore, finding a mate is problematic. Rather, individuals role-play between male and female during the spawning process with mates. They live and remain reproductively functional as long as the female stays alive, and can take part in multiple spawnings. Livebearing Fishesp. Red grouper — Epinephelus morio — are protogynous hermaphrodites, which can switch gender from female to male at a certain age. As you might expect, there are two ways to go about this.

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