Help! Scab(s) on Sterbai's head

Mangonation

Have about 9 sterbais and one of them recently developed this patch on his face... any thoughts on what it is? Doesn't look very cottony/fuzzy either... I could only get a side picture of him, but when he faces the front it's looks like a slight bump or blister (my heater is tucked on my sump so I know it's not a burn).

(the fuzzy patch on the glass next to him is silicone that I never bodied to clean up)

Any thoughts? Is it a scab from bumping into something? Infection? Fungal?

Ammonia + Nitrites = 0; Nitrates = 10
Tank is a 33gallon long

Edit: had him about two months (newest edition) and I first noticed it a couple weeks ago and it hasn't changed til now
 

Attachments

  • 20220802_193020.jpg
    20220802_193020.jpg
    228.8 KB · Views: 9
  • 20220802_193007.jpg
    20220802_193007.jpg
    230 KB · Views: 10
  • 20220802_192528.jpg
    20220802_192528.jpg
    237.4 KB · Views: 9
  • 20220802_192453.jpg
    20220802_192453.jpg
    344.8 KB · Views: 9
  • 20220802_192502.jpg
    20220802_192502.jpg
    235.8 KB · Views: 8
  • 20220802_192509.jpg
    20220802_192509.jpg
    229 KB · Views: 8
  • 20220802_192515.jpg
    20220802_192515.jpg
    203.9 KB · Views: 9

DoubleDutch

What are they fed ? Got a pic of the other ones as well ? This one looks quite thin to me.
 

Similar Aquarium Threads

Replies
3
Views
463
A201
Replies
6
Views
599
FishLoverJess
Replies
15
Views
1K
Junne
Replies
4
Views
592
PascalKrypt

New Corydoras Threads

Latest Aquarium Threads

Top Bottom