This is the astonishing moment a spider was seen devouring a frog twice its size.<br /> <br />The huntsman paralysed its victim after catching it on a leaf in the Coorg district of Karnataka, India.<br /> <br />Shocked hiker Nachappa Aramanamada recorded the purple arachnid unloading its deadly venom into the yellow bush frog's neck.<br /> <br />The amphibian was seen struggling to free itself from the ferocious spider but it was already too weak to escape. <br /> <br />Nachappa said the spider carried its victim away to be eaten<br /> <br />He said: ''This is one of the unbelievable moments I have come across while photographing bush frogs. The huntsman spider did justice to its name by clinging onto a meal that was much bigger than its own body.''<br /> <br />After a few minutes of marvelling at the rare natural phenomenon on June 21, Nachappa left the spider alone to continue killing the frog. He then carried on with his hiking trip.<br /> <br />Huntsman spiders are known for their speed and aggressive mode of hunting. They are also called giant crab spiders because of their size and appearance.<br /> <br />The huntsman, which is sometimes mistaken for a tarantula, eats a variety of other insects, arthropods, small lizards and even frogs.