NEWLY discovered tarantulas have shocked scientists due to their "exceptionally large" manhood.

The spiders ' sexual organs measure in at record length to fend off "highly aggressive" mates that try to eat them after doing the deed, experts believe.

Four new species of tarantula have been identified and one is packing record-long genitalia.

Scientists noticed they had much larger palps, which is the appendages used by male spiders to transfer sperm during mating.

The biggest of the bunch is almost as big as its legs.

These newly found tarantulas, named Satyrex ferox, have a legspan of about 5.5 inches while its palp can reach a length 2 inches.

And yet researchers don't believe their sexual organs have grown to impress mates.

Instead, they suspect it's to protect them from being e

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