The lewd-looking sea worms lined the beaches of Multillar, north of Rio Grande, earlier this week. The wriggly, pale pink worms washed up after a heavy storm that battered the region on Monday ...

Thousands of ten-inch 'penis fish' have washed up on a beach in Argentina in a bizarre phenomenon. The grim-looking sea worms, known formally as urechis unicinctus, lined the beaches of Multillar, ...

These saucy-looking sea creatures sure are making a splash. Thousands of so-called “penis fish” have washed ashore on a beach in Rio Grande, Argentina, shocking locals with their phallic appearance.

Thousands of creatures resembling penises have washed up on a beach in California. The pulsating creatures are fat innkeeper worms, or Urechis caupo. Although they are a type of worm, they are widely ...

A shoal of 'penis fish' washed up on a beach in California has sent social media into meltdown. Urechis unicinctus, more commonly known as fat innkeeper worms or penis fish, are a species of marine ...

VARIOUS kinds of artificial treatment are known to bring about early developmental changes in eggs. We have developed a new method of activating the eggs of the echiuroid, Urechis unicinctus.