gasteracantha cancriformis (spinybacked orbweaver). curu wildlife reserve, costa rica wildlife.

spider gasteracantha cancriformis spinybacked orbweaver araneidae curu arachnid wildlife reserve costa rica creepy tropical web spines closeup arachnophobia macro crab rainforest insect endemic beauty fauna wild exotic evolution animal jungle predator insectivore biodiversity conservation nature central america arthropod invertebrate silk entomology species close natural thorn spiny