The huntsman spider is among the largest spiders on earth, especially the giant huntsman spider, which can reach up to 30 cm (12 in) by leg span.#shorts #spi... Spotted a giant spider in your apartment? It’s likely the Ashidakagumo, or Japanese huntsman spider. Learn what it is and how to remove it. The Huntsman spider is a swift, efficient predator, that comes in a wide variety of shapes and sizes. They are also known as “giant crab spiders,” “wood spiders,” “rain spiders,” and “ lizard -eating spiders.” All Hunstmans are members of the Sparassidae family, and there are over 1,200 different species. The largest species of spider in the world (based on leg-span) is the giant huntsman spider. Read on to learn about the huntsman spider. Learn about the huntsman spider, one of the largest and fastest spiders in the world. Find out where they live, what they eat, how they hunt, and whether they are dangerous to humans.