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Thread: Vampire Crabs MAY be Parthenogenic!

  1. #9
    rattler's Avatar
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    not the story i was thinking of(that one is mentioned in this text) but interesting none the less

    http://www.petplace.com/reptiles/rat...gin/page1.aspx

    ---------- Post added at 03:49 PM ---------- Previous post was at 03:49 PM ----------

    Quote Originally Posted by amphirion View Post
    @rattler: sorry, i should elaborate---in every single example i can think of, regarding parthenogenesis, the offspring are always female. there are never mixed sex offspring.
    gotcha, accidentally stumbled on a different one that will interest you check link above....
    cervid serial killer
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  2. #10
    i dont do pots. amphirion's Avatar
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    @rattler: WHUT!? O.O
    " You keep using that word. I do not think it means what you think it means." -Inigo Montoya
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    rattler's Avatar
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    guess its as the link says at this point unsure if its a case of a female giving birth to a male without sperm or if its one of those random mutation that will dead end cause it cant be passed on due to the individual being sterile....
    cervid serial killer
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    I didn't get stimulated but he kept his promise on change, that's about all I got left!
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  4. #12
    i dont do pots. amphirion's Avatar
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    i guess what's amazing is the possibility of recombination...
    " You keep using that word. I do not think it means what you think it means." -Inigo Montoya
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  5. #13
    swords's Avatar
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    Parthenogenic Phasmids will rarely create a "gynandromorph" which is a partial male, usually literally half and half with the left half being male and the right half being female. Sometimes they will be all male looking but they are not fertile because they came from a non-fertilized female.

    Here's a pic: http://en.wikipedia.org/wiki/File:He..._0034b_L.D.jpg

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    Quote Originally Posted by amphirion View Post
    @emre: can you give an example? i can only think of all female populations....especially since asexual reproduction = clones.
    Think of domesticated honeybees. The queen parthenogenetically lays drone eggs, while fertilised eggs are female.

    Simultaneous hermaphrodites do not normally fertilise themselves, but may do so in the absence of a mating partner. I know that horseshoe crabs (which, however, are not crustacaeans) are sometimes hermaphrodites. I think parthenogenesis is the more probable theory, though. Parthenogenetical crayfish have been reported before, mostly in captivity. There is even a species in the pet trade which seems to be exclusively parthenogenetic. Check the following links:

    Marmorkrebs

    Crayfish Clones

    At any rate, you have observed an interesting phenomenon. I suggest you separate as many babies as possible into individual tanks/containers, and keep the rest in a separate tank as a control group. And never, never release any of them! They are potential pests and habitat destroyers.

  7. #15
    kulamauiman's Avatar
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    Simultaneous hermaphrodites in vertebrates exist. Rivulus marmoratus. http://en.wikipedia.org/wiki/Mangrove_rivulus

    Also we seem to have all female populations of geckos in Hawaii that are parthenogenic also.

  8. #16
    i dont do pots. amphirion's Avatar
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    Yeah, i get the crayfish partho, but all those crayfish are genetically identical, and all female....in the case of the rattlesnake, that is something is different that i totally dont get: rattler born from a VIRGIN snake is male. and there's no fertilization whatsoever, so it's different from bees...
    " You keep using that word. I do not think it means what you think it means." -Inigo Montoya
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