Our results revealed
that the external sexual characters and also the
gonads of the marbled crayfish are purely female, making
this fast-reproducing species a good model for investigating
female reproductive features in crayfish. Testicular
tissues, ovotestes, or male gonoducts, gonopores, or gonopods
were never found, either in small juveniles or large
adult specimens, confirming the parthenogenetic nature
of this crayfish.
badflash wrote:One article I saw indicated these are native to the US. If so, anyone know where they would be found?
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