Something Nibbling on a Trumpet?

[mythesis]

New tank (about 4 months old). Noticed some white spots on a Trumpet Coral today...is something nibbling on it or is it stressed or something?

Inhabitants:
- 2 Clowns
- Solar & Fairy Wrasse
- Link Goby, Court Jester Goby
- Royal Gramma
- Tailspot Blenny
- 2 Blood Red Fire Shrimp
Hermits / snails / conch.

The Tailspot is new as of this week, which is the only change that's been made in the last month.

We did see what I thought was a black stomatella snail the other night, but may be something more nefarious: https://www.reef2reef.com/threads/guessing-this-is-a-black-stomatella-snail.1080766/ Maybe that's the culprit?


Params:
Salinity: 1.025
Temp: 76
PH: 8
Ammonia / Nitrite: 0.0
Nitrate: 7.5 ish
Phosphate: 0.75 ish
Calcium: 390
KH: 9.6

 

[TX_REEF]

could just be some sand that got kicked up. The only inhabitant you've listed that might bother LPS are hermit crabs, and generally only large (larger than a quarter) hermits will eat coral.

 

[mythesis]

Well, looks like they're all healed up already this morning, so a tiny ado about nothing.