Does anyone know what this black dot is on my clownfish?

[Soey]

Hello. I recently got this clownfish about 2 weeks ago and noticed this black dot near his tail today. any feedback would be appreciated! Thank you!

 

[vetteguy53081]

Appears to be post injury and healing mark. Keep an eye on it to assure it does not become bacterial

 

[Soey]

Appears to be post injury and healing mark. Keep an eye on it to assure it does not become bacterial

ah ok. how do i know it’s bacterial? thanks!

 

[vetteguy53081]

ah ok. how do i know it’s bacterial? thanks!

BACTERIAL WILL SHOW DETERIORATION WITH RAW FLESH OR RASHING (ooops on the cap lock )