WASHINGTON – This tiny crustacean was big on reproduction. Modern versions of ancient crustaceans called ostracods have extra large sperm, but not to the extent of their relatives 100 million years ...

The oldest penis ever found is 425 million years old, and belongs to an animal whose scientific name—Colymbosathon ecplecticos—means “astounding swimmer with a large penis.” Large is relative, though.

Researchers have discovered the oldest known animal sperm sample, dating back 100 million years. A piece of amber caught dozens of small crustaceans called ostracods in a compromising position with ...

Researchers at the Marine Biological Laboratory (MBL) have imaged a heritable form of bacterial symbiosis inside the reproductive system of tiny crustaceans known as ostracods. Subscribe to our ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. When bioluminescent ostracods or ‘sea fireflies’ mate, they ...

A new method for analysing the interior of fossils has shown that millimetre-long mussel-like crustaceans called ostracods used giant sperm to mate. Sperm of modern ostracods can reach 10 times their ...

QUITE recently I received a communication from Mr. J. Omer-Cooper in the course of which he said: “When examining the contents of a frog's rectum yesterday in the course of our lab. work I noticed ...

They've been called fish fireworks, and their glowing displays are like nighttime light shows on the water. Ostracods are a very old species of crustacean with a trait called bioluminescence. That's a ...