Hail The Mango Republic, Vegetarian State:Tomato Police & Watermelon Soldiers
nipat;54211 said:
Mine were breeding too, but no fry survived.
They breed in freshwater but the fries go to brackish water near the sea in nature.
If you can raise the fries in freshwater, it will be big news.
Hi Nipat,
My apologies, to all I have misled.
I never intended to say that the larvae are reared in freshwater; indeed the reason for removing the female is to raise the larvae in brackish water.
I have only been doing this for the last 6 months so that I can test toxicity levels under EI dosing regimens. I am by no means an expert of any sort, I think
http://www.aqua-fish.net/show.php?h=amanoshrimp was the basis for my attempts. At the time I really could not find anything (encouraging anyway) about breeding Yamato Shrimp, now called Amano, I am not sure whether the proper name is Caridina multidentata or Caridina japonica.
It turned out to be fairly simple. The big difference is the need to transition to brackish water and that the Yamato shrimp start out unrecognizable as shrimp and require phytoplankton to start out.
I use Sterilite or Rubbermaid containers. I have found the Sterilite 28-quart (label says 27-liter), works well through grow out, you can use much smaller containers for the actual spawning. A small air pump can accommodate four containers. I use two air pumps split four ways so each container has two air stones. Oxygenation seems to be the single most critical issue.
I like to remove a female and two or three males when the mating behavior begins. I use the aquarium water from tank they are removed, hiding places available; I remove the males after mating, several weeks later, the larvae hatch.
I start raising the salinity a little at a time four weeks after removing the males; ending up with about a teaspoon (6 grams) of salt per liter, I happen to use OceanPure Sea Salt mix. I also add about .25 teaspoon of CaCl2 and a pinch of Epsom salts to the 15 or so liters of brackish water, none of my measurements are very precise.
Over the next three weeks after removing the female, I gradually triple the salinity of the water.
I start feeding the larvae green water when I remove the female. When they are large, enough to see I add powdered Spirulina I also add some mild infusorians. I also start adding finely ground dry fish food. I have found that those cheap vacation feeder pyramid things broken up are good around 4-5 weeks.
I start reducing the salinity around the fourth week so that around first molt it is something less than the one teaspoon of salt per liter and continue to dilute to no salt so by the second or third molt they are in freshwater ready to move on.
Sorry for the confusion.
Biollante