Animals with strange sperm
Channel: Zoological Zoom
Date: 2024-02-25

The Strangest Sperm in the Animal Kingdom! There is a nematode species that mate with a related species. Its sperm destroy the ovaries of that species and tear up the body from inside The sperm of Drosophila, a fruit fly measured at 2.4 inches long, is 20 times longer than its own body. It can be this long because the tail is coiled up tightly. Only 7% of sperm are motile in naked mole rat and their sperm have the slowest speed of any mammal. This is due to lack of competition among males where dominant female choose her mate. Catagylphis, an ant species, has sperm that group together in bundles to swim faster. As a group, they move 51 percent faster than solo swimmers. Scientists have found the world's oldest sperm of 100 million years old, frozen in time inside of fossilized ostracods, known as seed shrimp.

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