BallAquatics
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For fry to grow into strong healthy adults they needs lots of high quality food and lots of high quality water.
I’ve raised groups of up to 60 CPD fry in 5 gallon tanks for the first month by simply doing 90% water changes every day. If you don’t do enough water changes, it is believed that the larger fry will release hormones into the water to impede the growth of their smaller siblings.
Dennis
@theemon wrote:
dennis, what are “golden pearls”
They are a commercial pellet type food that comes in a variety of very small sizes. Fantastic for growing fish. All the benefits of bbs without the hassle.
http://www.brineshrimpdirect.com/other-goldpearl-particle-c149.html
I’ve been getting mine at KensFish.com…
http://www.kensfish.com/kensspecialtyfood.html
Dennis
I start fry with green water and then move on to micro, walter & banana worms. After that it’s golden pearls, a brine shrimp replacement food.
It’s great to hear you like the forum. Lots of friendly and knowledgable people around here…
Dennis
Hi Dodode, welcome to the forum!
I agree with you, it is some sort of swim bladder problem. I used to have this problem sometimes with fry before I started feeding lots of live foods.
Dennis
You can sometimes get them to be a little bolder by keeping them with more out-going fish.
I’ve kept them with most of the other 2″ and under Danios without problem. Perhaps the boldest I’ve seen them act is when kept with Glowlight Danios, Danio choprai… a fantastic Danio in their own right.
http://www.youtube.com/watch?v=ftKycSlOK90
Dennis
Hey theemon, how’s it going?
Your little “tank hopper” probably just got startled.
I’ve never noticed CPD’s being nippy at all. I’ve kept them with many other fish of similar size and never had any problems.
Once I grew-out about 60 to 80 fry in a 20 gallon long with a male Beta. The Beta herded them like sheep at times, but no real problems… no fin nipping either.
Dennis
Welcome to the forum Chris!
Sorry I can’t direct you to some CPD’s in Florida, but if you’re still looking for some this fall, (when the weather cools off), I can probably supply you with some.
Dennis
Hi roseygrl19. When the weather cools off I’ll be listing more on AquaBid. If you’d like, I’ll send you a PM to see if you’re interested in some.
Dennis
Sponge filters here too!
I usually pop off the sponge and give them a quick squeeze when doing water changes. Quick, easy, not stressful at all.
Dennis
When ever I hear about fish that have open sores the first thing that comes to mind is Fish Tuberculosis.
Not to say that’s what your fish had, but be very careful as it can cause health problems for people too.
I’m not much help when it comes to health problems… my little CPD’s have proven to be almost bullet proof. Knock on wood…
Dennis
Mine seem to do best between 20-24 Celsius. I normally keep them in unheated tanks so it just depends on the local weather conditions as to what the tank temps are. On the lower end it takes the eggs longer to hatch, 5 to 7 days.
Like most Danios, they prefer to spawn at first light… typically too early for me!
Dennis
Hey theemon,
I’m spawning…
1. Dwarf Spotted Danio (Danio nigrofasciatus)
2. Fireline Danio (Devario sondhii)
3. Glowlight Danio (Danio choprai)
4. Gold Ring Danio (Danio tinwini)
5. Hikari Danio (Danio sp. hikari)
6. Leopard Danio (Danio rerio var. frankei)
7. Zebra Danio (Danio rerio)and CPD’s of course.
Dennis
Sorry to hear about your fish.
(Knock on wood), I think they ship very well. I’ve shipped well over 200 CPD’s since March and lost 1 fish.
Dennis
Hi rnootebos, welcome to the forum.
Young age along with substrate color, and the amount of cover can all have a dramatic effect on the color of CPD’s.
I often raise fry in bare-bottom tanks and the fish display the colors you are referring to. Once moved into tanks with dark brown to black substrate and plenty of live plant material they color up very quickly.
I believe that they try to mimic the color of the tank bottom to avoid predators from above.
Dennis
