At least 1000 species As biologists 'understanding of spiders has advanced, in recent years both spider silk and spider venom have become hot topics of research, in the hope of developing new industrial products.
至少一千種隨著生物學界對蜘蛛的認識愈多，近年來，「蜘蛛絲」與「蜘蛛毒」已成為開發先進產品的熱門「材料」。