This should be applied as tightly as for a sprained ankle, starting from the bitten area and binding the entire limb above the bite. A rigid splint should be bound onto the limb to prevent limb movement. The patient should be kept as quiet as possible and medical attention sought. If possible, keep the spider for positive identification. Funnel-web Spider FAQs Can funnel-webs jump? Despite what many people think, funnel-webs can' t jump. However they can move quickly, and they will rear up when irritated and make sudden lunges when striking Can funnel-webs swim? Wandering funnel-webs spiders often fall into backyard swimming pools and they can stay alive for hours. They can't swim but they can trap a small bubble of air in hairs around the abdomen, which aids both breathing and floating, so it should not be assumed that a spider on a pool bottom has drowned. As they gradually get waterlogged, their buoyancy decreases and they eventually sink and drown.  Funnel-webs have been known to survive 24-30 hours under water. 96 comments Hi, Found this spider dead on the floor where my children play. I was wondering if it is a Sydney Funnel Web or a mouse spider. I had sprayed a wasps nest outside seven days before we found this little guy. Don't know if that is why he a)came in and b) is dead. Thanks for your help. I am a little freaked out since I have a ten month old who is on the move.