Officially, it’s a “congress” of salamanders, according to the interwebs,
Yuck!
/going out to look for a murder of crows
;D
I know, “congress” of salamanders. I didn’t want to be the one to have to tell you. But you could take the optional word for a group of salamanders, which is “herd”. I think you are right though,..........it’s a “conspiracy”.