That burst saves the ostracod's life — by getting it spat out. Not all ostracods create these light shows, and these cardinalfish can't tell which tasty morsels will do so before eating them.

Freshwater ostracods, the bivalved crustaceans ubiquitous in diverse aquatic habitats, have gained prominence as both contemporary ecological sentinels and as agents in palaeoenvironmental ...

Ostracods look like nothing more than seeds with legs. But some species of these tiny crustaceans have an outsize claim to fame: giant sperm. In the most extreme case, it can stretch 1.18 ...

The small ostracod Ankylocythere sinuosa measures no more than half a millimetre in length and lives on other crayfish. And, Spanish scientists have discovered it for the first time in Europe.

Sept. 15 -- Possibly the world's oldest penis — over 100 million years old — was found on a recently discovered fossil of an ostracod, an early crustacean, related to crabs, shrimps ...

Despite the organism’s diminutive stature, its seed is four times longer than human sperm. Ostracods are a type of tiny aquatic arthropod that have remained largely unchanged for millennia. Sometimes ...

Roughly half of all species of ostracods – bean-shaped crustaceans about the size of a sesame seed – can eject clouds of dazzling blue mucus to startle would-be predators. But the males in one ...

The sperm were found inside an ostracod, a kind of crustacean that has existed for 500 million years and can be found in many oceans today, researchers said in a paper published on Wednesday in th ...

The roughly 50 intact sperm cells nestled inside the organs of this newly discovered species of ostracod… Receive a weekly dose of discovery in your inbox! We'll also keep you up to date with ...

Researchers believe they have found a rare species of a tiny subterranean creature in the Highlands Ostracods are microscopic crustaceans They measure about one millimetre in size and live in ...

The sperm - roughly 50 million years older than the previous oldest fossil record - belonged to an ostracod, a class of small crustacean that has been in existence for 450 million years.