dead communal huntsman (delena cancerides) lying on the floor : (pix sanjiv shukla)

delena cancerides communal huntsman flat social avondale spider brown family sparassidae heteropodidae large native australia introduced zealand venomous bite harmless human species sharing prey bark shape colony highly aggressive cannibalistic hunt food spin web timid symptom body light dense fine hair leg speed woody forest shaft woodpile wooden shack locomotion southern africa australasia asia mediterranean basin americas