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Old 02/13/2019, 07:14 AM   #1
Lou Young
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Join Date: May 2012
Posts: 403
Why are my clownfish babies dying?

I have been breeding clownfish for fun for a few years now and never had this issue so I figured I would ask for some help. Starting at around day 30 the clownfish babies are dying slowly overnight. They are raised in a 10 gallon tank and I use a seeded sponge filter. Daily 2-3g water changes. Iíd there anything happening in the nitrification cycle around the 30 day mark that would tend to kill small clownfish? Any advice is appreciated.
Thanks in advance?

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Old 02/16/2019, 03:51 PM   #2
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Location: North Florida
Posts: 612
Are you testing for nitrates? Do you have reason to suspect it's nitrates? Do you test ammonia? What are you feeding them?

Sterile is not better. Successfully bred: Banggai, Lined Seahorse, Saltwater Mollies, from egg dwarf cuttlefish, Opae Shrimp, Strombus snails, amphipods, copepods, rotifers.

Current Tank Info: 125 gal tank, 40 gal refugium - 30 gal grow out tank- 70 gallon erectus / pipefish tank
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Old 03/29/2019, 04:36 PM   #3
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I would say they are not eating

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Old 04/01/2019, 07:24 PM   #4
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Originally Posted by Reefman802 View Post
I would say they are not eating
Are you that this is the correct conclusion to the problem?

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Old 04/25/2019, 04:15 AM   #5
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Location: Fremont, CA
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Feeding too much brine shrimp, especially unenriched, tends to do that.
I lost a lot of anemonefish and marine betta fry to that until I identified the Artemia as the trigger. After switching sooner to different foods the dying stopped. Under the right conditions, anemonefish will take small frozen copepods at about day 5 after hatching.

Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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