Barnacle.  Other than a swear word on SpongeBob SquarePants, what are they?  I gave myself 20 mins to go find out more about the subject.  Now I'm sharing with you what I found out.  Yes, you are allowed to subscribe.  Please feel free to share this on Social media and let me know if there is a subject you would like covered.  Thumbs up and a positive review would be great!

https://en.wikipedia.org/wiki/Barnacle

http://news.bbc.co.uk/earth/hi/earth_news/newsid_8309000/8309466.stm

Music: Cheeky by Shane Ivers - https://www.silvermansound.com