Zoo auctions off chance to name world's biggest spider

The Goliath birdeater tarantula. Photo / Wellington Zoo

If you want to name the world's biggest spider you better get in fast.

Wellington Zoo has put a new listing on Trade Me, giving bidders the opportunity to name their newest arrival - a Goliath birdeater tarantula.

The arachnid is normally found in the rainforests of South America but is now calling Wellington home as part of the zoo's aim to establish a population here in New Zealand.

The six-year-old spider can live for up to 25 years and can reach a leg span of over 30cm.

The current bid sits at $500 with the auction closing at midday.