As of yesterday he was fine. Today came back to this
Tankmates
3 x parrot / red devils
5 x indo tiger
1 x Florida car
1 x arowana
2 x endi bichir
1 x sun catfish
Tankmates have been in with pleco between 8 months - 2 years
Tankmates all healthy and greedy
View attachment 1356489
What did you feed to the Pleco?
This might be your answer.
Did you see him getting plenty of food?
In my experience plecos are slower to food and easily chased away by overly aggressive eaters.