crshadow's Random Attempt to Breed Amano Shrimp Journal *56k Warning* - The Planted Tank Forum
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post #1 of 78 (permalink) Old 11-26-2007, 03:58 AM Thread Starter
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crshadow's Random Attempt to Breed Amano Shrimp Journal *56k Warning*

Once upon a time, about 4 years ago, when I was new to the planted tank hobby, I had the surprise of finding a few of my Amano shrimp carrying eggs. I was excited about the possibility of breeding them, but breeding info was hard to find, and I didn't have any luck....

https://www.plantedtank.net/forums/sh...ying-eggs.html

I gave up on the idea back then, and put it on the backburner.

A few months ago I purchased about 40 Amano shrimp from xcooperx to help keep my main tank clean, and they happily went to work in my 125 gal.

Earlier this week I noticed that several females were carrying eggs. The bug bit me and I became inspired. A few searches later, I found that a few people had been successful in breeding these recently. I was pleased to find much more info about this than there was back in the day. Here are two of the sites I read up about this on.

http://caridina.japonica.online.fr/English/Elevage.htm
http://mikes-machine.mine.nu/breeding_yamato.htm

Bolstered by reading of some success, I decided to give it a shot. A critical key to success seemed to be the necessity of transferring the larval shrimp to full saltwater shortly after being released by the mother shrimp. "Hmmm...," I thought. It seems I'd have to set up a saltwater rearing tank or two. I pondered the possibility of traveling to the beach (about 45 minutes away) to get some fresh seawater instead of reconstituting some seawater, but remained undecided.

My wife and I recently had the pleasure of being blessed with a baby girl. It's been wonderful, but she seems to have her days and nights reversed. The night before Thanksgiving, I had been up with the baby all night. The lack of sleep had taken it's toll, and in a state of delirium I decided at 5:00 in the morning to take an early trip to the beach, despite the fact that it was cold and nasty outside!

As you can see, the wind was blowing sand all over the place.


Here's me at the shore.


A shot of the beach.


Now, it may seem strange to go to the beach to get seawater, but there is a method to my madness. I figured the best way to give a freshly setup saltwater rearing tank a kick start would be to use fresh saltwater and sand straight from the source. Hopefully it would be inoculated with bacteria, algae and other critters to help give the shrimplets and their tank a good start.

Not only that, but the beach isn't too far away. It was also an opportunity to collect seaweed for my compost pile, as well as do some beachcombing for Seabeans.

More pics in a little bit.

-Jeremiah

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post #2 of 78 (permalink) Old 11-26-2007, 05:34 AM Thread Starter
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Armed with sand and seawater, I set up two 1 gallon tanks. I'll be adding airstones soon. I placed these under light to help encourage algae growth. In one of the tanks, I added a pinch of garden fertilizer to feed any potential algae. Immediately after doing this, I realized that in doing so, I probably added copper as well. Hopefully it's a small enough concentration not to harm the shrimp.


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post #3 of 78 (permalink) Old 11-26-2007, 05:49 AM
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I wish there was natural saltwater in my area!
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post #4 of 78 (permalink) Old 11-26-2007, 05:50 AM Thread Starter
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Throughout the Thanksgiving weekend, anytime a gravid female shrimp would appear out in the open in the main tank, I'd swoop her up and place her in dixie cup. Slowly but surely, I ended up with 9 females carrying eggs.



I prepared 3 small "critter keepers" with water and substrate from the main tank that the shrimp came from. I separated the captured shrimp and arranged them 3 per critter keeper. The shrimp will release their larvae in the critter keepers and from there I will transfer the larvae to the saltwater rearing tanks.


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post #5 of 78 (permalink) Old 11-26-2007, 05:51 AM Thread Starter
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Looking forward to this thread! Subscribed!

I wish there was natural saltwater in my area!
Welcome aboard! Thanks for reading, I hope you enjoy it.

-Jeremiah

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post #6 of 78 (permalink) Old 11-26-2007, 06:07 AM Thread Starter
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I was rewarded earlier than expected!!! Today, (Sunday, November 25th 2007) at least one shrimp in two of the 3 critter keepers have released larvae! They are teeny tiny itty bitty specks skittering about.

Sadly my Sony camera that I took all the nice pictures in my Tetra Breeding journal kicked the bucket, so these pics aren't that great, as they were taken with different camera.

You can barely make out the tiny shrimp.


A little bit closer.



I'll try and suck up a larva and get some better pics, but I'm not sure what I can pull off with this other camera.

Also, I took some video of the larvae darting around. I'll try and post that soon.

-Jeremiah

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post #7 of 78 (permalink) Old 11-26-2007, 06:43 AM
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couldn't have you slowly introduce the female into the saltwater and let her release the larvae into the water so you save 100% of the brood?

And if you need algae, I guess you can throw in spirulina wafers (mash) in the water for the larvae.


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post #8 of 78 (permalink) Old 11-26-2007, 12:04 PM
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couldn't have you slowly introduce the female into the saltwater and let her release the larvae into the water so you save 100% of the brood?
Adults cannot be in saltwater. Only the zoes can make it. After about 8 weeks (or after the second molting I believe) they need to be slowly acclimated to freshwater or they will no survive either.

This is pretty cool. I have tried this a few times with no success. Hope the seawater works out for you! SUBSCRIBED!


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post #9 of 78 (permalink) Old 11-26-2007, 12:08 PM
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Glad you are attempting this! When I first got my Amanos, the sight of all the females carrying eggs (they nearly always are) got me thinking about some sort of nano tank with a nice mangrove tree in a base of light sand and baby shrimp all over it. Of course I live in a one bedroom apartment and the girlfriend would probably put me and the shrimp out on the street if I did this.


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post #10 of 78 (permalink) Old 11-26-2007, 02:32 PM
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Adults cannot be in saltwater. Only the zoes can make it. After about 8 weeks (or after the second molting I believe) they need to be slowly acclimated to freshwater or they will no survive either.

This is pretty cool. I have tried this a few times with no success. Hope the seawater works out for you! SUBSCRIBED!
interesting... What a weird adaptation.. Too much work for me.


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post #11 of 78 (permalink) Old 11-26-2007, 02:56 PM
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I'd really like to see how this works out for you!


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post #12 of 78 (permalink) Old 11-26-2007, 04:18 PM
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this is interesting. subscribed.
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post #13 of 78 (permalink) Old 11-26-2007, 04:38 PM
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I'm subscribing to. Want to see if you have a good ratio of live babies making it.
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post #14 of 78 (permalink) Old 11-26-2007, 04:50 PM
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Sounds interesting, i'll keep myself updated with this thread.
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post #15 of 78 (permalink) Old 11-26-2007, 05:23 PM
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interesting... What a weird adaptation.. Too much work for me.
Not that weird really... These shrimp live in rivers that flow to the sea (how poetic). The zoes are released and the river carries them into the salty water. They grow up and get back to the river where they come from. At least that's what I remember.

But I agree... it is a lot of work for something you can buy at the store for $2. Interesting challenge though.

How will you feed the zoes?


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