The species was originally collected while searching for Desis spiders in the interspaces of calcareous masses built up by marine annelids. These might be littoral spiders or a derivative of the South African terrestrial fauna. The Hermanus specimen was sampled from a coastal dune.
Description
Hahnia abrahami is known from both sexes.
Conservation
Hahnia abrahami is listed as Data Deficient due to insufficient knowledge about its distribution, habitat requirements, and potentialthreats. Two of the records were sampled prior to 1915, with only the third specimen collected from Hermanus more recently in 2008. More sampling is needed to determine the species' range. As a littoral species, oil spills and sea pollution may pose threats.