Some of these aggregations can contain as many as 50,000 individuals as in the case of Anelosimus eximius (in the family Theridiidae). The level of sociality often varies between species (interspecies) but can vary within a species (intraspecies) as well.
In some cases, these groups can include up to 50,000 individuals, like the example of Anelosimus eximius from the Theridiidae family. Social behavior varies between different species and even within a single species.