Healthy fish-
Fully spread fins (not clamped up)
Actively swimming (if it is an active fish)
Full color
Regular spawning (Only with some species)
Eyes aren't sunken
No irregular Fins/scales
Feeds readily (Excluding certain species)
Can remained balanced in water (doesn't sink, roll over, etc)
Cool. Thank you very much. That means my tank is doing extremely good other than my recent algae outbreak due to not replacing my CO2 bottle when I should.
All fish, even my pleco, is opening up there fins and being very active.