Lengths of up to 36ft are common, and oarfish are thought to be responsible for many sea serpent legends. They are rarely seen alive and little is known about their behavior.
The oarfish only comes to shore when it's dying or dead. That's the only way scientists have been able to study them. They stay over 3,000 feet under the sea and don't surface unless they are sick or injured/dead. There's only been a couple of people spot them and scientists have got a rare video of one actually swimming. Did they kill or harm it to test it? No they let it go. They are very rare fish but the picture that is up is 100% real they even get bigger than the one in the picture.