>>44408792>>44408714the coolest part about crabs and their relation to spiders, is that certain "spiders" never really left the ocean and stayed there since the late Cambrian, like these evolutionary archaic sea "spiders" (Pycnogonids), a sister group to real spiders and crabs. so while crabs developed pseudo lungs and spiders went on land, these guys just stayed in the ocean with the and learned to breathe with their legs.
