Post Profile

No sex for all-female fish species

Species that produce asexually are rare among vertebrates, making the Amazon molly (Poecilia formosa) the big exception. The small fish species, who is native to the border region of Texas and Mexico, does not produce any male offspring. The females reproduce asexually through gynogenesis, making their daughters identical clones of themselves.
read more


Related Posts

What keeps an asexual fish species from taking over?

Academics / General Science : ScienceDaily: Science Society

When a red-bellied dace and a finescale dace (freshwater fish in the carp and minnow family) mate with each other, they produce a hybrid with a very special ability: it can reproduce asexually. This asexual hybrid should have a trem...

Wired for sound: A small fish's brain illustrates how people and other vertebrates produce sounds

Academics / General Science : Science Codex

ITHACA, N.Y. — Cornell researchers have identified regions of a fish brain that reveal the basic circuitry for how humans and other vertebrates generate sound used for social communication. In a study of midshipman fish, published o...

NEWS: Female Fish Attracted To Males That "Flirt" With Other Males

LGBT / Gay : Gay Life Guide

Researchers at the University of Frankfurt say that female fish prefer mating with male fish that exhibit homosexual behavior. The female Atlantic molly (Poecilia mexicana) is shown to be prone to... Read Full Post

Despite odds, fish species that bypasses sexual reproduction is thriving

Academics / General Science : Science Codex

The very rare animals that reproduce asexually -- only about one in 1,000 of all living vertebrate species -- are thought to be at an evolutionary disadvantage compared with their sexually reproduced counterparts. But that theory do...

International team sequences first Amazon molly fish genome

Issues & Causes / Climate Change : EurekAlert: Earth

(Texas A&M University) No species is immune from the suffering of unrequited love, but scientists expect to learn volumes about the biological basis of sex from the newly sequenced genome of an all-female, asexual Texas native -- th...


Copyright © 2016 Regator, LLC