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Medaka males can mate 27 times daily, but sperm performance drops fast
Oryzias latipes, commonly known as medaka, is a small fish measuring about 2–3 cm (0.8–1.2 inches) in length that exhibits highly active…
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Oryzias latipes, commonly known as medaka, is a small fish measuring about 2–3 cm (0.8–1.2 inches) in length that exhibits highly active spawning behavior during the breeding season. Previous research by an Osaka Metropolitan University research team showed that males can spawn an average of 19 times per day and up to 27 times in environments with many fema…
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