Unsure if I should be worried about the thing hanging off the bottom fin. The yellow tang tends to hide also. Just want the best for them. Any idea what it is and if I should react?
View attachment 20260420_211229_6353B984-8E0A-461D-A917-FB71E1D9ED64.mov
View attachment 20260420_211229_6353B984-8E0A-461D-A917-FB71E1D9ED64.mov


