Compelled to mate, yet firmly attached to the rock, barnacles have evolved the longest penis of any animal for their size - up to eight times their body length - so they can find and fertilize distant ...

(Phys.org)—A team of Canadian researchers has found that one species of barnacles mate by ejecting sperm into seawater while another catches it – a process known as spermcasting. Prior to this ...

Even Charles Darwin marveled at the length of the barnacle's penis. In some species, it's up to eight times the body length. Not all barnacles are so well-endowed, however, raising the question of how ...

Oversized penises are not always enough to let immobile crustaceans mate. You have full access to this article via your institution. It can be hard to find a sexual partner when you are glued to a ...

Two barnacles removed from a rock. The barnacle on top has been fertilized and the eggs are compressed into yellow pellets on either side of the body. The penis is sticking out from in between. The ...

The gooseneck barnacle (with a relaxed penis at arrow) is capable of a method of sex previously unobserved in barnacles, upending 150 years of theory. Image via Barazandeh, et al. Proc. R. Soc. B.

FORT LAUDERDALE/DAVIE, Fla. - When it comes to long distance relationships, it seems the barnacle has it all figured out. That's because if they fancy a mate who is far away, the male can simply make ...

If you are stuck to a rock it is tricky to get close enough to a partner to mate. One solution to this problem would be to release eggs or sperm into the open water, which is what many animals in this ...

It can be hard to find a sexual partner when you are glued to a rock. Barnacles famously get around this problem by having penises longer than their bodies, so that they can seek out relatively ...

Spring is in the air! Its the time of year to release your gametes into the water and make baby barnacles. But wait a second, you are a permanent fixture on a rock. Can’t move. What is a young, ...