Silky Sharks using a Whale Shark as a living scratching post to kill/dislodge parasites.
/r/TheDepthsBelow: TheDepthsBelow: Because we all know there's things lurking underwater. - 71% of the earth's surface is covered by water according to NOAA. That only gives us 29% where we're safe. If an animal the size of a blue whale can disappear for months at a time, what else is down there? We're here to show you. - August 13, 2021 - 19:13