Distinguishing between ich, velvet & brooklynella

[skraj011]

I have a 125 FOWLR with good water parameters (0/0/20). I had flukes and treated them with prazipro (in the DT) and those symptoms disappeared (mostly cloudy eyes on a blue jaw trigger).

Several weeks later, the blue jaw has some spots on its head, finnage that looks a bit ratty and a cloudy left eye. A couple of my wrasses also have fine white spots mostly on the head , but no eye involvment and their fins are alright. All of the fish are eating really well for now.

I re-treated with prazipro in case this is recurrent fluke infestation.

My question is: what are the most distinguishing features between ich, velvet and brooklynella?

 

[ArtemisGoldfish]

Brooklynella is generally limited to Clownfish. Copper is ineffective at treating it. It looks like white fuzz.

Velvet and Crypto are very similar parasites. For all intents and purposes, diagnosis and treatment is identical (Copper).

 

[Luis A M]

Of the three,velvet (amyloodinum)is by far the most deadly,so it must be ruled out fast.The test for velvet consists in keeping the sick fish for a while in a small vessel with FW and then check for the cysts of the parasite under a microscope.This short FW bath makes the cysts to dettach and drop away,so it is at the same time diagnostic and therapeutic!