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Artifically hatching eggs?

Started by Guest_Gambusia_* , Mar 24 2008 09:09 PM

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16 replies to this topic

#1 Guest_Gambusia_*

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Posted 24 March 2008 - 09:09 PM

How would one artificially hatch eggs that were fertilized by hand?

Set up a sole aquarium just for that?

Thanks

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#2 Guest_centrarchid_*

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Posted 24 March 2008 - 09:35 PM

How would one artificially hatch eggs that were fertilized by hand?

Set up a sole aquarium just for that?

Thanks

I assume they will be largemouth bass eggs, and they are adhesive.

Several methods can be used. My preferred way is to scatter them over gravel in a nest. Gravel enables eggs to scatter better because of more surface area. Can be important when a lot of duds fungus. Good water flow, as can be provided by an airstone id good. If a large mass of eggs attempted, then a major water change, ideally on a continous basis is good to dilute / wash out breakdown products of embryos metabolism or decomposition. When clutches likely to have really low survival I place eggs a Petri dish or clay saucer and have water dripping into and through so the residence time is ten minutes or so. You can also use fungicides but be careful so as not to burn otherwise healthy embryos and pro-larvae.

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#3 Guest_Gambusia_*

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Posted 24 March 2008 - 09:38 PM

Largemouth bass eggs are the plan

How much of a fungal risk would I be having?

I'd put a layer of small river gravel on the bottom and an airstone.

Any kind of filter or is that too much?

Thank you for this great information.

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#4 Guest_centrarchid_*

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Posted 24 March 2008 - 09:43 PM

Largemouth bass eggs are the plan

How much of a fungal risk would I be having?

I'd put a layer of small river gravel on the bottom and an airstone.

Any kind of filter or is that too much?

Thank you for this great information.

Risk very high!

Filtration good but major water exchange is best.

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#5 Guest_Gambusia_*

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Posted 24 March 2008 - 09:51 PM

So add just a little anti fungal medicine?

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#6 Guest_centrarchid_*

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Posted 24 March 2008 - 09:55 PM

So add just a little anti fungal medicine?

Anti-fungal agents for what you are trying to do, in my experience, will not be adequate. The solution to the type pollution you will be dealing with is dilution. Google fish hatching jars.

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#7 Guest_Gambusia_*

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Posted 24 March 2008 - 09:57 PM

I will.

You mean just constantly clean water?

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#8 Guest_Gambusia_*

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Posted 24 March 2008 - 10:00 PM

Something like this?

http://www.aquaticec...28/Hatching-Jar

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#9 Guest_centrarchid_*

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Posted 24 March 2008 - 10:04 PM

Something like this?

http://www.aquaticec...28/Hatching-Jar

yes, although you can get a smaller version from same distributer for roughly 1/3 the price.

The flow rate needed should replace water volume every 5 minutes or so. Difficult for most with aquariums serving as water reservoir. Can you continously draw water from a pond using a small pump?