 Females of the jumping spider Portia fimbriata have bodies 6.8 to 10.5 millimetres long, while those of adult males are 5.2 to 6.5 millimetres long .: 100 The Queensland variety is typically smaller than the Northern Territory variety. The cephalothorax is about 4 millimetres long and 3 millimetres wide, and the abdomen about 4 millimetres long and 2.2 millimetres wide. The front of the cephalothorax is large and angular, and the face is broad, high and flat. In Australia and Taiwan, both sexes have a generally dark brown carapace, reddish brown chelicerae ("jaws"), a brown underside, and dark brown palps with white hairs. Both sexes also have fine, faint markings and soft fringes of hair .: 6 However, the female has a white fringe just above the chelicerae, while the back half of the male's cephalothorax has a white band round the bottom edge and a white groove down the back. While male spiders' palps are larger than females',: 572 – 573 the palps of P. fimbriata females have a fringe of hair that makes them look about as larger as males'. The abdomens of both sexes are dark brown, with white spots on the upper side. Wanless' female from New Guinea has an orange carapace and chelicerae with sooty markings, palps mainly light yellow, legs orange-brown legs, and abdomen light yellow. Wanless also found a male from the Amboina area in Indonesia, showing an orange-brown carapace and chelicerae, yellow-brown to orange-brown palps, orange-brown legs and a light yellowish abdomen .: 99 – 100
