Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Pic is a little blurry for positive I.d but it is a nudibranch and often I Recommend. . . if you did not place it in the tank- remove it unless a berghia which it is not
Can you get a video of its movement/behaviour? This looks like a copepod to me as well