Clownfish Larva dying when they swim into heater

Clownfish Larva dying when they swim into heater

Postby CoralAndFishDepot » Sun Jan 22, 2012 10:51 am

I think I am losing some clownfish larva that are swimming into the heater and dying on contact. Are there any solutions or techniques to avoid this issue? Thanks
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Re: Clownfish Larva dying when they swim into heater

Postby jeff@zina.com » Sun Jan 22, 2012 11:06 am

Remove the heater and heat the room. Put the heater in the sump. Cover the heater with mesh, the needlepoint mesh from your local craft store works well. Put an air stone under the heater to create a current away from it.

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Re: Clownfish Larva dying when they swim into heater

Postby CoralAndFishDepot » Sun Jan 22, 2012 11:36 am

Thanks for the advice. I will try those things. Right now I am using an air stone under the heater and another one inside the pot to aerate the eggs, but I am finding a pile of eggs on the bottom infront of the heater. It looks like whole eggs sacs though, not just the larva. What do you think the issue is there? Too much aeration blowing off the eggs from the pot before they hatch?
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Re: Clownfish Larva dying when they swim into heater

Postby jeff@zina.com » Sun Jan 22, 2012 7:25 pm

Too much air would be my guess. Back it down or move the air stone further away.

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Re: Clownfish Larva dying when they swim into heater

Postby CoralAndFishDepot » Sun Jan 22, 2012 8:17 pm

LOL I will try that.
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Re: Clownfish Larva dying when they swim into heater

Postby Suzy » Mon Jan 23, 2012 8:09 am

I just use an air stone in larval tanks, but I like Jeff's idea about mesh. I may just try that! Thanks, Jeff!
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Re: Clownfish Larva dying when they swim into heater

Postby steamman » Tue Jan 24, 2012 12:46 pm

Instead of a heater inside the tank I have had great success with a 50 watt reptile heater under the tank and a controller. Makes clean up a breeze.
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Re: Clownfish Larva dying when they swim into heater

Postby CoralAndFishDepot » Tue Jan 24, 2012 4:14 pm

steamman wrote:Instead of a heater inside the tank I have had great success with a 50 watt reptile heater under the tank and a controller. Makes clean up a breeze.


Great idea. I am going to look into it. Which brand do you use?
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Re: Clownfish Larva dying when they swim into heater

Postby steamman » Tue Jan 24, 2012 5:17 pm

Zoo Med cable type 50 watt works well on a 10 gallon tank. Very stable with a controller. Costs less than twenty dollars for the heat cable.
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Re: Clownfish Larva dying when they swim into heater

Postby cdipasquale » Tue Jan 24, 2012 6:00 pm

Sounds like you're loosing the eggs before they get to hatch so the heater should matter. As long as you cover the light with electrical tape and have an airstone under it, it will keep the larvae a safe distance. The problem sounds like broodstock diet. Healthy eggs should not blow off the rock from an airstone. I put a stone directly under my eggs on full power. Try adding peeled table shrimp to the parents diet. That will make the eggs adhere better to the substrate.
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Re: Clownfish Larva dying when they swim into heater

Postby cdipasquale » Tue Jan 24, 2012 6:04 pm

It sounds like your eggs are detaching from the substrate before they get to hatch. That has nothing to do with the heater, just make sure there is an airstone under it for when they do hatch.

Sounds like a problem in the broodstock diet. An airstone should not be able to blow eggs free, they should be really on there. Add peeled table shrimp to the parents diet and that will make the eggs stickier so they hold to the substrate better. It's hard to over-aerate eggs. I haven't seen my perc eggs dislodge from the air.
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Re: Clownfish Larva dying when they swim into heater

Postby CoralAndFishDepot » Tue Jan 24, 2012 8:30 pm

Thank you very much I will get one and try it out. Good Day!
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Re: Clownfish Larva dying when they swim into heater

Postby CoralAndFishDepot » Tue Jan 24, 2012 8:58 pm

I found some online but it seems that there is not a 50w, but 24w is the largest. Do you think that would heat the water up to 80 degrees?
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Re: Clownfish Larva dying when they swim into heater

Postby steamman » Tue Jan 24, 2012 10:51 pm

I use a 50 watt on a 10 gallon and it works well. They are made in a 50. Try your local Pet smart or Petco. Good luck.
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Re: Clownfish Larva dying when they swim into heater

Postby EasterEggs » Thu Jan 26, 2012 11:40 am

I believe you can use the mats used for heating seeds as well. Found at garden supply stores. I haven't tried it though, so look into it more if you choose this route.
Given sufficient thrust, pigs will fly just fine.
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Re: Clownfish Larva dying when they swim into heater

Postby Armadus » Wed Aug 15, 2012 8:36 pm

So my setup is a little different than most but I keep the temperature even by having my tumbler/hatchout in a water bath. I just use a 10g tank that's plumbed into the system and then I hang the tumbler so that most of it is submerged. I do the same with my kreisels. Hope this could be useful for ya!
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