What killed my clown? Black Dust? Warning Graphic Photos

[Hayley]

What killed my Female clown?

 

I have a 15gal nano been running for 2 ½ months. I have 1 yellow tailed damsel. And I recently bought a pair of ocellaris clownfish.

Heres what happened:

 

Bought on the 6th -

Floated bag on top of water for 30 mins, dripping tank water into bag.

Both ate well looked good, except for some black marking on the female, didn’t know what they were. Added Melafix to boost immune system.

 

Water:

Ph: 8.4

Ammonia: 0

Nitrate: 5

Nitrite: 0

Salinity: 1.022

 

Female Day 1

 

Day 2 – Male didn’t eat as much, Female developed white spots only 5 specks.

 

Ph: 8.1

Nitrite: 0

Nitrate: 5

Ammonia: 0

Salinity: 1.022

 

Day 3 – Female didn’t eat, swimming with mouth open, still only about 5 white specks

 

Female Day 3:

 

Day 4 – Female Found dead in morning.

 

Did: 10% water change

Water:

Ph: 8.1

Salt: 1.021

Ammonia: 0.3

Nitrate: 5

Nitrite: 0

 

Female Skin:

 

Male Clown and Damsel both won’t eat now, and damsel has a white fungus on his tail.

 

Clown Today:

 

My question is did I buy a sick fish? How can I help my remaining fish?

 

Links to larger images: Please note his fins were not frayed when i saw him last.

 

Close up of Dead Clown 1

 

 

Dead Clown Closeup 2

 

Dead Clown Closeup 3

[Mazi79]

Im not sure what it is but one of my clowns has died from it too. My other one is sick right now but it looks like he'll make it.

[gregb]

Could be marine velvet desease.

[pyrrhus]

or brooklynella