Parthenogenic Fish

[Figure_8]

A discussion on parthenogenic fish in the Betta Splendens forum inspired me to do a little searching.

There is a fish in the Amazon that basically clones itself without the genetic input of a male!

I found this article very interesting, so I thought I'd share.

http://home.clara.net/xenotoca/amazon.htm

[splendidbetta]

How about fish that start off one sex and change when they mature or according to the species sex ratio? I tried looking for the place I found that parthenogenic betta, but I couldn't find it. I couldn't find anything on google either. :)

[Callatya]

I've heard that there are some snails that can do this too, but apparently there are several ways of having one parent produce the offspring. All sounds like good survival skills to me!

[Daniel]

although not fish, some other animals have the ability to change sexes, some frogs i cant name them off the top of my head, turn male when there is no male population, if you recall jurassic park, where they took the dna form a misquito preserved in amber and used those genes as well as some form a frog to produce dinosaurs (they used the frogs dna to fill in the missing parts or something) the frogs they used have the same characteristic and they enabled them to breed....

just a thought

heres a link parthenogenesis

it also talks about gynogenesis and hybridogenesis

[dpeica]

A couple of native reptiles are capable of it too. Some races of Bynoe's prickly gecko (Heteronotia Binoei) and some species of blind snake (Ramphotoyphlops sp) come to mind.