Many tie for the most poisonous (hint, hint spelling), but the Black Widow and the Brown Recluse are probably the most deadly. If the recluse just touches you, your skin rots right of the bone. It's not nice, but I have seen it happen.
The spider you are describing is likely the redback spider, a venomous species found in Australia. They are known for their distinctive red stripe on the back and red markings on their joints. Be cautious around them as their bite can be harmful.
Spiny orb-weaver, Gasteracantha cancriformis
Brazilian Wandering Spider
It really does depend on the type of spider you get bitten by but in most cases the answer is no
The Sydney Funnel web spider is the most dangerous. the Goliath spider is not dangerousThe "Black Widow". It is an all black spider with a red hourglass shape on its underside. One bite and you will die within and hour. It injects so much venom in one bite that it can kill 6-7 adults.
The most poisonis reptile is snake
It is commonly believed that the Brazilian wandering spider is the most poisonous spider, there have been over 7000 recorded bites. If a person is bitten by this species there is a good chance that death will occur. However, the black widow spider, the brown recluse spider and the tunnel web spider, are also very poisoness. == ==
no they are not
No they are not but their bites hurt
yep and its white and its poisonis
No! Beacuse if the animal was killed by poison then the meat on the inside is going to be poisonis(I think)most likely
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Yes. Deadly.
they are poisonis when they bite someone
The funnel web spider which is found in Australia is the most dangerous spider.
Pufferfish aka blowfish are the most poisonous fish in the world. So yes Pufferfish are poisonous .!! ( by Pettnapah ) . :P
nope dont think so.