cockatoo

I’ve had this pair of apistogramma cacatuoides for a couple months And I’m starting to doubt my assessment of their gender. I got them from Petco and they sell them as assorted. I assumed that the one with all of the orange and black was male and the pale one with the black ventral fins was...

I went away for just under a week (all feeding was pre-measured and delivered on schedule by the caregiver) and this is what I came back to:   Water Stats Normal: Nitrate 20ppm Nitrite 0ppm Ammonia 0ppm   35% Water Change performed on day of return (similar WC done the day before I left).   All...

I am looking for an opinion of experience...  First, a bit of background:   I have a Female Cockatoo Cichlid who has had a bit of a troubled existence recently.  About two months ago, she lost a few scales directly in the middle of her forehead.  Fearing HITH but suspecting a collision, I...