Advertisement I originally posted this at http://www.arachnoboards.com/ab/showthread.php?t=169511, but upon thinking about it decided to repost it as a new thread so it would get more attention. I have been communicating with a lady who managed to breed Chilean rose tarantulas (Grammostola rosea). Of the 250 or so babies originally produced she managed to follow the growth, development, and fates of about a dozen of the babies. Most of the babies were distributed to other enthusiasts while still very young. Therefore, whatever influences that may have effected them were probably quite variable and differed from household to household, tending to cancel out or nullify the majority of environmental influences. So far, about 6 (approximately half) of the babies, now several years old and about "juvenile" size, have died with dyskinetic syndrome-like symptoms, although the mother is apparently still in good health. This immediately suggests the possibility that some expressions of the malady may be an inherited character because it seems to "cluster" in this one family in spite of the differences in their care. Given this possibility it would be extremely interesting from a scientific point of view, if not from an aesthetic or materialistic, profit and loss standpoint, if other enthusiasts who have bred family lines of tarantulas in which DKS has been noted have also noted a tendency towards the condition cropping up in greater frequency within those family groups. Is at least some sort of DSK inheritable? If so, is it dominant, recessive, sex linked, etc? Should we examine what scant breeding records we can unearth for the possibility? Should some of us purposely try to breed tarantulas with the condition in their family history to determine if it really is inheritable? Here is an opportunity for some advanced enthusiasts to do some really interesting and important research.