A blow to the head, or something else...

[Ready4Launch]

Yesterday I finished mounting the last two of four T5s that I now have under my canopy. Before I started and like many other days, I observed the tank. Everything seems fine. My most recent addition, an anemone came out from its hole, so I was particularly keen on the tank happenings. Now, everything looked fine. Normal.

Then I installed the final two T5s. Put the canopy back on. Turned on all the lights including the T5s. Went out to walk the dogs at the harbor for 2 hours. Came home and found my Kole Tang with what you see below on its face! I mean, it would have had to develop in the span of 4 hours from the last time I really looked at the Kole to when I arrived back to the house and saw this.

Overnight and now this morning, it doesn't seem to have grown. Other fish are without issue that I've seen so far. Everyone else ate this morning's feeding. Kole ate a little. Maybe a little less than usual? Hard to say. Seemed a little less energetic, but now, an hour later, it seems to be zipping around the tank picking off algae again.

Chalk this one up to a blow to the head? A pretty massive scrape? Freaked out with the additional lighting? Take it out and medicate or continue to observe? I'm puzzled.

 

[HotRocks]

Looks like a minor injury to me. I'd just keep a close eye on it and see if it heals on it's own.

 

[Frtdrmrose7]

^^ I concur he injured himself most likely in the rocks and it should heal on its own

 

[Ready4Launch]

Looks like a minor injury to me. I'd just keep a close eye on it and see if it heals on it's own.

Not the start of HLLE? When it is HLLE, does it progress rapidly or slowing in appearance on the fish? No change in the appearance of it today, but I want to be more knowledgeable for recognizing HLLE too.

 

[Brad Miller]

He probably was blinded by the new lighting and ran into a rock

 

[Frtdrmrose7]

Not the start of HLLE? When it is HLLE, does it progress rapidly or slowing in appearance on the fish? No change in the appearance of it today, but I want to be more knowledgeable for recognizing HLLE too.

Here’s a write up on HLLE


https://www.reef2reef.com/threads/hlle-head-lateral-line-erosion.259916/

 

[Ready4Launch]

Here’s a write up on HLLE


https://www.reef2reef.com/threads/hlle-head-lateral-line-erosion.259916/

Yeah - I had read that and still had the question.

 

[Frtdrmrose7]

Yeah - I had read that and still had the question.

HLLE will start off looking like pits in the skin that will develop around the eyes and start traveling down the lateral line.

 

[HotRocks]

Not the start of HLLE? When it is HLLE, does it progress rapidly or slowing in appearance on the fish? No change in the appearance of it today, but I want to be more knowledgeable for recognizing HLLE too.

HLLE will start off looking like pits in the skin that will develop around the eyes and start traveling down the lateral line.

This^^^ Is correct. Its not impossible to get some erosion on the bridge of the snout like that, but it would be very uncommon to see it start there.