The spider Sphecotypus niger is an astonishingly accurate mimic of Pachycondyla villosa, both in form and in movement. The resemblance presumably protects the spider from predators, as its ant model has an extraordinarily painful sting.

Jatun Sacha reserve, Napo, Ecuador
A colorful jumping spider (Salticidae) from the rainforests of tropical Australia.

Cape Tribulation, Queensland, Australia
The large, forward-facing eyes of this predatory jumping spider (Salticidae) are capable of judging distance through a sophisticated mechanism involving defocused images in part of the color spectrum.

Cape Tribulation, Queensland, Australia
Hygropoda dolomedes showing the fang-bearing chelicerae that define the Chelicerata, a taxonomic group including arachnids and horseshoe crabs.

Cape Tribulation, Queensland, Australia
The spider Sphecotypus niger is an astonishingly accurate mimic of Pachycondyla villosa, both in form and in movement. The resemblance presumably protects the spider from predators, as its ant model has an extraordinarily painful sting.

Jatun Sacha reserve, Napo, Ecuador
The spider Sphecotypus niger is an astonishingly accurate mimic of Pachycondyla villosa, both in form and in movement. The resemblance presumably protects the spider from predators, as its ant model has an extraordinarily painful sting.

Jatun Sacha reserve, Napo, Ecuador
Pachycondyla villosa, both in form and in movement. The resemblance presumably protects the spider from predators, as its ant model has an extraordinarily painful sting. Jatun Sacha reserve, Napo, Ecuador" href="javascript:openLB(2400141646,'',XLarge,'',1024,685);">The spider Sphecotypus niger is an astonishingly accurate mimic of Pachycondyla villosa, both in form and in movement. The resemblance presumably protects the spider from predators, as its ant model has an extraordinarily painful sting.

Jatun Sacha reserve, Napo, Ecuador
The spider Sphecotypus niger is an astonishingly accurate mimic of Pachycondyla villosa, both in form and in movement. The resemblance presumably protects the spider from predators, as its ant model has an extraordinarily painful sting.

Jatun Sacha reserve, Napo, Ecuador
See photo in original gallery.
all images and text © Alex Wild 2001-2013